For the next three weeks, citizen volunteers in the United Kingdom will be tallying the painted ladies, peacocks and brimstones they see, to help create a nationwide count — and soothe their souls.
"Human beings are the only species that deliberately deprive themselves of sleep for no apparent gain," says sleep scientist Matthew Walker, author of Why We Sleep. Originally broadcast Oct. 17, 2017.
A survey of anesthesiologists found that 95 percent say it is impacting patient care. Surgeons, emergency medicine physicians, intensive care unit doctors are also impacted.
Warmer weather means that barnacle geese fly faster to their breeding grounds, leaving them too tired to lay eggs right away. By the time they're ready, the babies have missed the best food.
A tiny accelerator could be useful in medicine as well as basic science. Instead of speeding up beams of electrons through giant tunnels, the aim here is to build accelerators on semiconductor chips.
"We will neither participate in nor support the development, manufacture, trade, or use of" artificial intelligence that is used to kill people, leading AI researchers vowed.