Life only works with chemicals that have the right orientations—but chemists don’t.
Squirrels show off killer parkour moves as they leap from branch to branch
Pushing off vertical surface helped squirrels adjust their speed for a better landing.
UK children aged 16 and 17 expected to be offered Covid vaccine
Minister says JCVI experts to update advice ‘imminently’ on widening access to vaccine to more teenagersCoronavirus – latest updatesSee all our coronavirus coverageCovid vaccines are expected to be offered to children in the UK aged 16 and 17, in line …
Top seeds: artists capture global efforts to future-proof nature – in pictures
Scientists, ecologists and artists have collaborated to showcase global work to protect seeds in an exhibition at the Royal Albert Memorial Museum & art gallery (Ramm) in Exeter.Seedscapes: future-proofing nature runs until 5 September Continue rea…
NHS urged to redistribute near-expiry vaccines as take-up slows in young
Doctors across England raise alarm as 170,000 Moderna doses at risk of expiry within fortnightCoronavirus – latest updatesSee all our coronavirus coverageThe NHS is facing pressure to redistribute tens of thousands of vaccine doses nearing expiry as de…
Evolutionary chaos as butterflies, wasps, and viruses have a three-way war
The evolutionary pressures result in some pretty complicated host interactions.
On Earth, things evolve into crabs—could the same be true in space?
Evolution experts were kind enough to answer Ars’ questions about alien crabs.
Mergers, twists, and pentagons: The architecture of honeycombs
Most honeycombs are perfect hexagons—but bees manage complex exceptions.
Spiral shark intestines work like Nikola Tesla’s water valve, study finds
Tesla’s valve let fluid flow in one direction with no back flow or moving parts.
生体電気による「細胞間のインターネット」で失われた手足の再生に挑む（後篇）
いつの日か人間の手足が再生できるようになることは、発生生物学者の誰もが疑っていない。問題は、それがいつ実現するのか、そして再生が実際はどのように機能するかだ。発生生物学者のマイケル・レヴィンは細胞同士のコミュニケーションを司る生体電気こそが「形態形成のコード」だと考えている。果たして生体電気をハックすれば、生物の体を自在にプログラム可能になるのだろうか？ 生物学とコンピューターサイエンスが融合した最新研究の後篇をお届けする。
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