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Sunday, May 26, 2019

How an ‘atlas’ of living organs could save lives

After an accident, a patient was rushed into surgery and, from there, into the intensive care unit, where he was recovering. But, days later, one by one, his organs failed. The patient didn’t survive....

Better weather forecasts based on ‘butterfly effect’

The atmosphere is so unstable that a butterfly flapping its wings can, famously, change the course of weather patterns. This so-called “butterfly effect” also means the reliability of weather forecasts drops sharply beyond 10...

Central Pacific El Niño gets a little less mysterious

A new theoretical model may lead to timelier, accurate forecasts of the central Pacific El Niño, an important weather-maker. Any El Niño is a period of warmer-than-normal sea-surface temperature in the equatorial Pacific. These anomalies,...

Medieval chivalry wasn’t just knights and valor

Our popular ideas of the chivalric world are off base, according to historian Richard Kaeuper. The gallant knights on horseback and banners unfurling before exciting tournaments largely come from people in the 19th century...

This is the sound from North Korea’s H-bomb test

International experts are far from convinced that North Korea actually conducted its first H-bomb test, which was reported by the country this week. In the meantime, South Korea is blasting pop music, weather, and...

Hidden ice blamed for crazy crater on Mars

A “crazy-looking” crater on Mars caught the attention of scientists. A simple calculation cleared up how it got its strange shape, but also raised a few questions about past weather on Mars. “Craters should be bowl shaped,...

Why queasy rides in ‘space chair’ are totally disorienting

Imagine you’re a jet fighter pilot being chased by a heat-seeking missile. You undertake evasive maneuvers, climbing and nose-diving, performing barrel rolls and loops, and sharply banking left and right. Your speed is around...

Can years of discrimination mess up stress hormones?

Feelings of discrimination can change how our bodies control levels of the stress hormone cortisol. That’s true for both whites and blacks, but new research suggests African Americans are especially vulnerable, particularly teenagers. Data collected during a 20-year...

Why physicists are so excited about ‘neutrino effect’

In reality, science is often about finding that some detail of the universe works the way we had already predicted, and for scientists that’s pretty cool. In one such discovery, physicists have for the first...

Heart ‘in a box’ could save more organs for transplant

Medical programs are testing a new device that may improve the availability of donor hearts for transplants. It’s an ex vivo (out-of-body) circulatory system that has come to be called “heart in a box.” (See...
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