Science

For generations, scientists have viewed the inability to regrow lost body parts as one of the fundamental limitations of humans and other mammals. While creatures such as salamanders can regenerate entire limbs, humans typically heal injuries by forming scar tissue. …

A colossal chunk of sea ice roughly the size of Texas is missing from the west coast of Antarctica, and scientists fear it might never form again. Antarctica is currently in winter, which runs from March to October on the …

If there’s anyone who has their ear to the ground when it comes to Steven Spielberg projects, it’s British Sound Editor and Re-Recording Mixer Andy Nelson. This legendary sonic wizard has been a crucial creative element in 21 Spielberg films …

An oak trunk does most of its growing in the dark. Through the small hours, when the air is cool and damp and the leaves are doing nothing at all, water creeps back into the stem, pressure builds in the …

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With his history of involvement in pro wrestling and boxing and his zeal for garish excess—the man is a failed casino impresario, after all—it makes perfect sense that Donald Trump would want to celebrate both America’s birthday and his own …

Senior physics writer Emily Conover has a Ph.D. in physics from the University of Chicago. She is a two-time winner of the D.C. Science Writers’ Association Newsbrief award and a winner of the Acoustical Society of America’s Science Communication Award. …

A preprint describing genetically edited human embryos is raising concerns among scientists that the U.S. is becoming more accepting of using gene editing to enhance embryos. “The cat’s out of the bag,” says Alexis Komor, deputy director of the Sanford …

Around 1 in 5 US adults are thought to struggle with sleep health, and for many of us, the search for rest eventually leads to medication. But new research suggests a commonly used sleep aid may come with alarming side …

Accumulated sediment is periodically flushed out of the Sanmenxia reservoir in China Imago/Alamy Over half of the planet’s freshwater reservoirs will be “functionally dead” by 2060 due to sediment build-up, a study has predicted. Dams block silt, sand and gravel …