Readers discuss jazz music, the next generation of astronauts and more

In full swing The swaying feeling in jazz music that compels ft to faucet might come up from near-imperceptible delays in musicians’ timing, Nikk Ogasa reported in “Jazz gets its…

It’s possible to reach net-zero carbon emissions. Here’s how

Patricia Hidalgo-Gonzalez noticed the way forward for power on a broiling-hot day final September. An electronic mail alert hit her inbox from the San Diego Gasoline & Electrical Firm. “Excessive warmth…

Prairie voles can find partners just fine without the ‘love hormone’ oxytocin

Prairie voles have lengthy been heralded as fashions of monogamy. Now, a examine means that the “love hormone” as soon as thought important for his or her bonding — oxytocin…

Mysterious marks on Ice Age cave art may have been a form of record keeping

Way back to roughly 25,000 years in the past, Ice Age hunter-gatherers might have jotted down markings to speak details about the conduct of their prey, a brand new examine…

Birds that dive may be at greater risk of extinction

Birds that dive underwater — resembling penguins, loons and grebes — could also be extra prone to go extinct than their nondiving kin, a brand new examine finds. Many water…

These shape-shifting devices melt and re-form thanks to magnetic fields

Form-shifting liquid steel robots may not be restricted to science fiction anymore. Miniature machines can switch from solid to liquid and back again to squeeze into tight areas and carry…

Fossils suggest early primates lived in a once-swampy Arctic

The Arctic in the present day is a hostile place for many primates. However a collection of fossils discovered because the Seventies recommend that wasn’t all the time the case.…

Procrastination may harm your health. Here’s what you can do

The worst procrastinators in all probability received’t be capable of learn this story. It’ll remind them of what they’re making an attempt to keep away from, psychologist Piers Metal says.…

Lots of Tatooine-like planets around binary stars may be habitable

SEATTLE — Luke Skywalker’s house planet in Star Wars is the stuff of science fiction. However Tatooine-like planets in orbit round pairs of stars may be our greatest guess within…

A bird with a T. rex head may help reveal how dinosaurs became birds

A 120-million-year-old fossil chicken present in China may supply some new clues about how landbound dinosaurs developed into in the present day’s flying birds. The dove-sized Cratonavis zhui sported a…