Brain implants turn imagined handwriting into text on a screen

Electrodes in a paralyzed man’s brain turned his imagined handwriting into words typed on a screen. The translation from brain to text may ultimately point to ways to help people…

Scientists remotely controlled the social behavior of mice with light

With the help of headsets and backpacks on mice, scientists are using light to switch nerve cells on and off in the rodents’ brains to probe the animals’ social behavior,…

Mild zaps to the brain can boost a pain-relieving placebo effect

Placebos can make us feel better. Mild electric zaps to the brain can make that effect even stronger, scientists report online May 3 in Proceedings of the National Academy of…

How fossilization preserved a 310-million-year-old horseshoe crab’s brain

Paleontologists can spend years carefully splitting rocks in search of the perfect fossil. But with a 310-million-year-old horseshoe crab brain, nature did the work, breaking the fossil in just the…

A new book reveals stories of ancient life written in North America’s rocks

How the Mountains GrewJohn DvorakPegasus Books, $29.95 Imagine a world where pigeon-sized dragonflies soar above spiders with half-meter-long legs, where 2-meter-long millipedes slither and 20-kilogram scorpions hunt. About 300 million…

If confirmed, tubes in 890-million-year-old rock may be the oldest animal fossils

Pale, wormlike tubes in 890-million-year-old rock may be ancient sea sponges, a new study concludes. If confirmed, that controversial claim would push back the origin of the earliest sponges by…

3.42-billion-year-old fossil threads may be the oldest known archaea microbes

Threadlike filaments pressed in rock may be the remnants of archaea that burped methane near hydrothermal vents 3.42 billion years ago.  If so, these strands in rock excavated in South…

Pterosaurs may have been able to fly as soon as they hatched

Pterosaur hatchlings may have been able to fly right out of the shell — although the flight of those ancient baby reptiles might have looked a bit different from that…

An ecologist’s new book gets at the root of trees’ social lives

Finding the Mother TreeSuzanne SimardKnopf, $28.95 Opening Suzanne Simard’s new book, Finding the Mother Tree, I expected to learn about the old growth forests of the Pacific Northwest. I had…

As ‘phantom rivers’ roar, birds and bats change their hunting habits

For two summers in a rugged corner of Idaho’s Pioneer Mountains, the roar of rushing white water filled the air. But where the loud sounds prevailed, only gentle streams flowed…