Sperm don't swim the way we thought

Plus: Hydroxychloroquine (still) can't treat COVID-19, 100-million-year-old microbes and more

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08/02/2020 NASA’s Perseverance rover will seek signs of past life on Mars A plethora of instruments will collect rocks and study the weather on the Red Planet. Read More An immune system quirk may help anglerfish fuse with mates during sex Deep-sea anglerfish that fuse to mate lack genes involved in the body’s response against pathogens or foreign tissue. Read More Many U.S. neighborhoods with the worst air 40 years ago remain the most polluted Air pollution has declined in the United States, but marginalized communities are still disproportionately affected despite the improvement. Read More A South American mouse is the world’s highest-dwelling mammal At 6,739 meters above sea level, the yellow-rumped leaf-eared mouse survives low oxygen and freezing conditions atop a dormant volcano. Read More A wasp was caught on camera attacking and killing a baby bird The wasp repeatedly bit the nestling and tore at its flesh, leaving it bloodied and mortally wounded. Read More Science News is a nonprofit. We depend on our readers to support our journalism. You can help by subscribing for as little as $25. SUBSCRIBE NOW These ancient seafloor microbes woke up after over 100 million years Scientists discover that microbes that had lain dormant in the seafloor for millions of years can revive and multiply. Read More Human sperm don’t swim the way that anyone had thought High-speed 3-D microscopy and mathematical analyses reveal that rolling and lopsided tail flicks keep the cells swimming in a straight line. Read More A black hole circling a wormhole would emit weird gravitational waves A new calculation reveals the strange gravitational waves LIGO and Virgo could see if a black hole were falling into a hypothetical tunnel in spacetime.   Read More Hydroxychloroquine can’t stop COVID-19. It's time to move on, scientists say An abundance of scientific data show that the drug isn’t an effective COVID-19 treatment. Read More To rehearse Perseverance’s mission, scientists pretended to be a Mars rover “We’ve got all this equipment, a multibillion-dollar mission, and it’s all hinging on this 99-cent broom.” Read More Privacy policy  |  Update Profile  | Manage Subscriptions  |   Unsubscribe This email was sent by: Society for Science & the Public 1719 N Street NW Washington, DC, 20036, US