Uncategorized
- Neuroscience
Scans suggest how the mind solves ethical dilemmas
Brain scans suggest how the mind solves a moral dilemma.
- Life
When hummingbirds fly unfriendly skies
Hummingbirds hover easily in turbulent air as long as the disturbances aren’t too wide.
By Susan Milius - Astronomy
Zoom in on amazing detail in NASA moon map
An interactive mosaic of images from the Lunar Reconnaissance Orbiter lets you fly over the Moon’s north pole with unprecedented detail.
- Health & Medicine
Early treatment may stave off esophageal cancer
Zapping precancerous tissue in patients with Barrett’s esophagus might reduce incidence of cancer.
By Nathan Seppa - Health & Medicine
E-cigarettes don’t help smokers quit, study finds
People who tried e-cigarettes no more likely to give up smoking a year later.
By Nathan Seppa - Genetics
Mice lose a gene to drop some weight
Mice lacking gene have less fat, more muscle and lived longer than normal.
- Humans
Former baseball players have big, strong bones in old age
Decades later, health benefits of exercise persist in male athletes’ bones.
By Meghan Rosen - Life
To do: Exhibits to explore in the U.S. and London
Highlights include the impending arrival of a T. rex skeleton in Washington, D.C., a pterosaur exhibit coming to New York City, and the history of longevity at the Royal Society in London.
- Tech
English Channel tunnel
First proposed in 1802 as a tunnel for horse-drawn carriages, the Channel Tunnel, or Chunnel, was built starting in 1987 and opened in 1994.
- Cosmology
Cosmic question mark
Two ways of measuring the universe’s expansion rate disagree by about 10 percent. One of the methods may be flawed. Or it could be that a hitherto unobserved phenomenon is at work.
- Health & Medicine
Sudden death
Cardiologists disagree on whether electrocardiograms should be used to screen student athletes for a rare heart condition that can cause them to die suddenly and without warning.
By Laura Beil - Climate
Kangaroo gut microbes make eco-friendly farts
Understanding kangaroos’ low-methane flatulence could help researchers lower greenhouse gas emissions from livestock.
By Beth Mole