G: New Scientist | Science news and science articles from New Scientist
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The big debate over what a species really is</h2></div><a href="/article/mg24132140-200-human-or-hybrid-the-big-debate-over-what-a-species-really-is/" class="card__link"></a></div><div class="card__eyebrow card__eyebrow--life"><a href="/subject/life/" class="card__eyebrow-link">Life</a></div></div></div><div class="spancol-1-3--no-margin"><div class="article-supplementary-list--column"><div class="card card--supplementary"><div class="card__eyebrow-container"><div class="card__eyebrow card__eyebrow--static card__eyebrow--health"><a href="/subject/health/" class="card__eyebrow-link">Health</a></div></div><div class="card__content card__content--linked"><h2 class="card__heading card__heading--s">Gum disease may be the cause of Alzheimer's - here's how to avoid it</h2><a href="/article/2191842-gum-disease-may-be-the-cause-of-alzheimers-heres-how-to-avoid-it/" class="card__link"></a></div></div><div class="card card--supplementary"><div class="card__eyebrow-container"><div class="card__eyebrow card__eyebrow--static card__eyebrow--health"><a href="/subject/health/" class="card__eyebrow-link">Health</a></div></div><div class="card__content card__content--linked"><h2 class="card__heading card__heading--s">We may finally know what causes Alzheimer’s – and how to stop it</h2><a href="/article/2191814-we-may-finally-know-what-causes-alzheimers-and-how-to-stop-it/" class="card__link"></a></div></div></div></div></section><section class="section-article-list section-article-list--three-col"><h2 class="section-article-list__title">LATEST</h2><div class="card"><div class="card__content card__content--linked"><div class="card__image"><img src="https://images.newscientist.com/wp-content/uploads/2015/08/ns-logo-for-featured-image.jpg" data-src="https://images.newscientist.com/wp-content/uploads/2019/01/24140044/j2ag71.jpg?width=300" alt="A person in a car" data-srcset="https://images.newscientist.com/wp-content/uploads/2019/01/24140044/j2ag71.jpg?width=150 150w, https://images.newscientist.com/wp-content/uploads/2019/01/24140044/j2ag71.jpg?width=300 300w, https://images.newscientist.com/wp-content/uploads/2019/01/24140044/j2ag71.jpg?width=768 768w, https://images.newscientist.com/wp-content/uploads/2019/01/24140044/j2ag71.jpg?width=600 600w, https://images.newscientist.com/wp-content/uploads/2019/01/24140044/j2ag71.jpg?width=800 800w, https://images.newscientist.com/wp-content/uploads/2019/01/24140044/j2ag71.jpg?width=1200 1200w" sizes = "(max-width: 300px) 100vw, 300px" class="image lazyload" /></div><h2 class="card__heading">Terrible drivers could teach autonomous cars how to avoid crashes</h2><a href="/article/2191839-terrible-drivers-could-teach-autonomous-cars-how-to-avoid-crashes/" class="card__link"></a></div><div class="card__eyebrow card__eyebrow--technology"><a href="/subject/technology/" class="card__eyebrow-link">Technology</a></div></div><div class="card"><div class="card__content card__content--linked"><div 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/></div><h2 class="card__heading">Carbon dioxide levels will soar past the 410 ppm milestone in 2019</h2><a href="/article/2191881-carbon-dioxide-levels-will-soar-past-the-410-ppm-milestone-in-2019/" class="card__link"></a></div><div class="card__eyebrow card__eyebrow--environment"><a href="/subject/environment/" class="card__eyebrow-link">Environment</a></div></div><div class="card"><div class="card__content card__content--linked"><div class="card__image"><img src="https://images.newscientist.com/wp-content/uploads/2015/08/ns-logo-for-featured-image.jpg" data-src="https://images.newscientist.com/wp-content/uploads/2019/01/24221527/star_craft_2_legacy_of_the_void-2-resized-1200-800.jpg?width=300" alt="DeepMind AI thrashes human professionals at video game StarCraft II" data-srcset="https://images.newscientist.com/wp-content/uploads/2019/01/24221527/star_craft_2_legacy_of_the_void-2-resized-1200-800.jpg?width=150 150w, https://images.newscientist.com/wp-content/uploads/2019/01/24221527/star_craft_2_legacy_of_the_void-2-resized-1200-800.jpg?width=300 300w, https://images.newscientist.com/wp-content/uploads/2019/01/24221527/star_craft_2_legacy_of_the_void-2-resized-1200-800.jpg?width=768 768w, https://images.newscientist.com/wp-content/uploads/2019/01/24221527/star_craft_2_legacy_of_the_void-2-resized-1200-800.jpg?width=600 600w, https://images.newscientist.com/wp-content/uploads/2019/01/24221527/star_craft_2_legacy_of_the_void-2-resized-1200-800.jpg?width=800 800w, https://images.newscientist.com/wp-content/uploads/2019/01/24221527/star_craft_2_legacy_of_the_void-2-resized-1200-800.jpg?width=1200 1200w" sizes = "(max-width: 300px) 100vw, 300px" class="image lazyload" /></div><h2 class="card__heading">DeepMind AI thrashes human professionals at video game StarCraft II</h2><a href="/article/2191910-deepmind-ai-thrashes-human-professionals-at-video-game-starcraft-ii/" class="card__link"></a></div><div class="card__eyebrow card__eyebrow--technology"><a href="/subject/technology/" class="card__eyebrow-link">Technology</a></div></div><div class="card"><div class="card__content card__content--linked"><div class="card__image"><img src="https://images.newscientist.com/wp-content/uploads/2015/08/ns-logo-for-featured-image.jpg" data-src="https://images.newscientist.com/wp-content/uploads/2019/01/24201456/gettyimages-1016498200-resized-1200-800.jpg?width=300" alt="Staying slim isn't just about what you eat - it's about your DNA too" data-srcset="https://images.newscientist.com/wp-content/uploads/2019/01/24201456/gettyimages-1016498200-resized-1200-800.jpg?width=150 150w, https://images.newscientist.com/wp-content/uploads/2019/01/24201456/gettyimages-1016498200-resized-1200-800.jpg?width=300 300w, https://images.newscientist.com/wp-content/uploads/2019/01/24201456/gettyimages-1016498200-resized-1200-800.jpg?width=768 768w, https://images.newscientist.com/wp-content/uploads/2019/01/24201456/gettyimages-1016498200-resized-1200-800.jpg?width=600 600w, https://images.newscientist.com/wp-content/uploads/2019/01/24201456/gettyimages-1016498200-resized-1200-800.jpg?width=800 800w, https://images.newscientist.com/wp-content/uploads/2019/01/24201456/gettyimages-1016498200-resized-1200-800.jpg?width=1200 1200w" sizes = "(max-width: 300px) 100vw, 300px" class="image lazyload" /></div><h2 class="card__heading">Staying slim isn't just about what you eat - it's about your DNA too</h2><a href="/article/2191870-staying-slim-isnt-just-about-what-you-eat-its-about-your-dna-too/" class="card__link"></a></div><div class="card__eyebrow card__eyebrow--health"><a href="/subject/health/" class="card__eyebrow-link">Health</a></div></div><div class="card"><div class="card__content card__content--linked"><div class="card__image"><img src="https://images.newscientist.com/wp-content/uploads/2015/08/ns-logo-for-featured-image.jpg" 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https://images.newscientist.com/wp-content/uploads/2019/01/24172245/gettyimages-9150904242.jpg?width=600 600w, https://images.newscientist.com/wp-content/uploads/2019/01/24172245/gettyimages-9150904242.jpg?width=800 800w, https://images.newscientist.com/wp-content/uploads/2019/01/24172245/gettyimages-9150904242.jpg?width=1200 1200w" sizes = "(max-width: 300px) 100vw, 300px" class="image lazyload" /></div><h2 class="card__heading">Should we rename some cancers to make them sound less scary?</h2><a href="/article/2191851-should-we-rename-some-cancers-to-make-them-sound-less-scary/" class="card__link"></a></div><div class="card__eyebrow card__eyebrow--comment"><a href="/subject/comment/" class="card__eyebrow-link">Comment</a></div></div></section><div class="leaderboard-container leaderboard-container--banner-mid-home"><div id="banner-mid-home" class="ad-leaderboard"><script type='text/javascript'>
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This laser will rip it up to find out" data-srcset="https://images.newscientist.com/wp-content/uploads/2019/01/23163225/laser_cov.jpg?width=150 150w, https://images.newscientist.com/wp-content/uploads/2019/01/23163225/laser_cov.jpg?width=300 300w, https://images.newscientist.com/wp-content/uploads/2019/01/23163225/laser_cov.jpg?width=768 768w, https://images.newscientist.com/wp-content/uploads/2019/01/23163225/laser_cov.jpg?width=600 600w, https://images.newscientist.com/wp-content/uploads/2019/01/23163225/laser_cov.jpg?width=800 800w, https://images.newscientist.com/wp-content/uploads/2019/01/23163225/laser_cov.jpg?width=1200 1200w" sizes = "(max-width: 300px) 100vw, 300px" class="image lazyload" /></div><h2 class="card__heading">What's inside nothing? This laser will rip it up to find out</h2><a href="/article/mg24132140-300-whats-inside-nothing-this-laser-will-rip-it-up-to-find-out/" class="card__link"></a></div><div class="card__eyebrow card__eyebrow--physics"><a href="/subject/physics/" class="card__eyebrow-link">Physics</a></div></div><div class="card"><div class="card__content card__content--linked"><div class="card__image"><img src="https://images.newscientist.com/wp-content/uploads/2015/08/ns-logo-for-featured-image.jpg" data-src="https://images.newscientist.com/wp-content/uploads/2019/01/23101914/00000-00562193.jpg?width=300" alt="earliest animal" data-srcset="https://images.newscientist.com/wp-content/uploads/2019/01/23101914/00000-00562193.jpg?width=150 150w, https://images.newscientist.com/wp-content/uploads/2019/01/23101914/00000-00562193.jpg?width=300 300w, https://images.newscientist.com/wp-content/uploads/2019/01/23101914/00000-00562193.jpg?width=768 768w, https://images.newscientist.com/wp-content/uploads/2019/01/23101914/00000-00562193.jpg?width=600 600w, https://images.newscientist.com/wp-content/uploads/2019/01/23101914/00000-00562193.jpg?width=800 800w, https://images.newscientist.com/wp-content/uploads/2019/01/23101914/00000-00562193.jpg?width=1200 1200w" sizes = "(max-width: 300px) 100vw, 300px" class="image lazyload" /></div><h2 class="card__heading">Exclusive: 600-million-year old blobs are earliest animals ever found</h2><a href="/article/mg24132142-700-exclusive-600-million-year-old-blobs-are-earliest-animals-ever-found/" class="card__link"></a></div><div class="card__eyebrow card__eyebrow--life"><a href="/subject/life/" class="card__eyebrow-link">Life</a></div></div><div class="card"><div class="card__content card__content--linked"><div class="card__image"><img src="https://images.newscientist.com/wp-content/uploads/2015/08/ns-logo-for-featured-image.jpg" 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https://images.newscientist.com/wp-content/uploads/2019/01/23170357/lead_ready-to-crawl-image-©-kato-yasushi-e1548329785979.jpg?width=1200 1200w" sizes = "(max-width: 300px) 100vw, 300px" class="image lazyload" /></div><h2 class="card__heading">Prototyping in Tokyo review – Imagining a future full of lifelike tech</h2><a href="/article/2191782-prototyping-in-tokyo-review-imagining-a-future-full-of-lifelike-tech/" class="card__link"></a></div><div class="card__eyebrow card__eyebrow--technology"><a href="/subject/technology/" class="card__eyebrow-link">Technology</a></div></div><div class="card"><div class="card__content card__content--linked"><div class="card__image"><img src="https://images.newscientist.com/wp-content/uploads/2015/08/ns-logo-for-featured-image.jpg" data-src="https://images.newscientist.com/wp-content/uploads/2019/01/21163816/new-scientist_brain1.jpg?width=300" alt="brain artwork" data-srcset="https://images.newscientist.com/wp-content/uploads/2019/01/21163816/new-scientist_brain1.jpg?width=150 150w, https://images.newscientist.com/wp-content/uploads/2019/01/21163816/new-scientist_brain1.jpg?width=300 300w, https://images.newscientist.com/wp-content/uploads/2019/01/21163816/new-scientist_brain1.jpg?width=768 768w, https://images.newscientist.com/wp-content/uploads/2019/01/21163816/new-scientist_brain1.jpg?width=600 600w, https://images.newscientist.com/wp-content/uploads/2019/01/21163816/new-scientist_brain1.jpg?width=800 800w, https://images.newscientist.com/wp-content/uploads/2019/01/21163816/new-scientist_brain1.jpg?width=1200 1200w" sizes = "(max-width: 300px) 100vw, 300px" class="image lazyload" /></div><h2 class="card__heading">8 ways to keep your brain young and stave off mental decline</h2><a href="/article/mg24132140-100-8-ways-to-keep-your-brain-young-and-stave-off-mental-decline/" class="card__link"></a></div><div class="card__eyebrow card__eyebrow--health"><a href="/subject/health/" class="card__eyebrow-link">Health</a></div></div><div class="card"><div class="card__content card__content--linked"><div class="card__image"><img src="https://images.newscientist.com/wp-content/uploads/2015/08/ns-logo-for-featured-image.jpg" data-src="https://images.newscientist.com/wp-content/uploads/2019/01/22144703/gettyimages-460462760.jpg?width=300" alt="fatberg" data-srcset="https://images.newscientist.com/wp-content/uploads/2019/01/22144703/gettyimages-460462760.jpg?width=150 150w, https://images.newscientist.com/wp-content/uploads/2019/01/22144703/gettyimages-460462760.jpg?width=300 300w, https://images.newscientist.com/wp-content/uploads/2019/01/22144703/gettyimages-460462760.jpg?width=768 768w, https://images.newscientist.com/wp-content/uploads/2019/01/22144703/gettyimages-460462760.jpg?width=600 600w, https://images.newscientist.com/wp-content/uploads/2019/01/22144703/gettyimages-460462760.jpg?width=800 800w, https://images.newscientist.com/wp-content/uploads/2019/01/22144703/gettyimages-460462760.jpg?width=1200 1200w" sizes = "(max-width: 300px) 100vw, 300px" class="image lazyload" /></div><h2 class="card__heading">All you want to know about fatbergs but are too disgusted to ask</h2><a href="/article/mg24132141-300-all-you-want-to-know-about-fatbergs-but-are-too-disgusted-to-ask/" class="card__link"></a></div><div class="card__eyebrow card__eyebrow--environment"><a href="/subject/environment/" class="card__eyebrow-link">Environment</a></div></div><div class="card"><div class="card__content card__content--linked"><div class="card__image"><img src="https://images.newscientist.com/wp-content/uploads/2015/08/ns-logo-for-featured-image.jpg" data-src="https://images.newscientist.com/wp-content/uploads/2019/01/22171715/gettyimages-463518829.jpg?width=300" alt="seed sowing" data-srcset="https://images.newscientist.com/wp-content/uploads/2019/01/22171715/gettyimages-463518829.jpg?width=150 150w, https://images.newscientist.com/wp-content/uploads/2019/01/22171715/gettyimages-463518829.jpg?width=300 300w, https://images.newscientist.com/wp-content/uploads/2019/01/22171715/gettyimages-463518829.jpg?width=768 768w, https://images.newscientist.com/wp-content/uploads/2019/01/22171715/gettyimages-463518829.jpg?width=600 600w, https://images.newscientist.com/wp-content/uploads/2019/01/22171715/gettyimages-463518829.jpg?width=800 800w, https://images.newscientist.com/wp-content/uploads/2019/01/22171715/gettyimages-463518829.jpg?width=1200 1200w" sizes = "(max-width: 300px) 100vw, 300px" class="image lazyload" /></div><h2 class="card__heading">To feed 11 billion people, we must share crop seeds as a common good</h2><a href="/article/mg24132141-500-to-feed-11-billion-people-we-must-share-crop-seeds-as-a-common-good/" class="card__link"></a></div><div class="card__eyebrow card__eyebrow--comment"><a href="/subject/comment/" class="card__eyebrow-link">Comment</a></div></div></section><section class="section-article-list"><h2 class="section-article-list__title">EDITOR'S CHOICE</h2><div class="card card--list"><div class="card__content card__content--linked"><div class="card__image spancol-1-6"><img src="https://images.newscientist.com/wp-content/uploads/2015/08/ns-logo-for-featured-image.jpg" data-src="https://images.newscientist.com/wp-content/uploads/2019/01/22101232/dnx227.jpg?width=300" alt="Exclusive: DNA solves Rudolf Hess doppelgänger conspiracy theory" data-srcset="https://images.newscientist.com/wp-content/uploads/2019/01/22101232/dnx227.jpg?width=150 150w, https://images.newscientist.com/wp-content/uploads/2019/01/22101232/dnx227.jpg?width=300 300w, https://images.newscientist.com/wp-content/uploads/2019/01/22101232/dnx227.jpg?width=768 768w, https://images.newscientist.com/wp-content/uploads/2019/01/22101232/dnx227.jpg?width=600 600w, https://images.newscientist.com/wp-content/uploads/2019/01/22101232/dnx227.jpg?width=800 800w, https://images.newscientist.com/wp-content/uploads/2019/01/22101232/dnx227.jpg?width=1200 1200w" sizes = "(max-width: 300px) 100vw, 300px" class="image lazyload" /></div><h2 class="card__heading card__heading--s">Exclusive: DNA solves Rudolf Hess doppelgänger conspiracy theory</h2><a href="/article/2191462-exclusive-dna-solves-rudolf-hess-doppelganger-conspiracy-theory/" class="card__link"></a></div><div class="card__eyebrow card__eyebrow--humans"><a href="/subject/humans/" class="card__eyebrow-link">Humans</a></div></div><div class="card card--list"><div class="card__content card__content--linked"><div class="card__image spancol-1-6"><img src="https://images.newscientist.com/wp-content/uploads/2015/08/ns-logo-for-featured-image.jpg" data-src="https://images.newscientist.com/wp-content/uploads/2019/01/14151039/gettyimages-593277048.jpg?width=300" alt="family in flood" 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