Uncategorized
- Neuroscience
Here’s why scientists are questioning whether ‘sonic attacks’ are real
Sonic attacks would be hard to pull off and a terrible way of incapacitating diplomats, experts say.
- Planetary Science
Never-before-seen dunes on Pluto spotted in New Horizons images
Images from the New Horizons spacecraft reveal dunes on Pluto — but the sand-sized grains must have had an unusual boost to get moving.
- Health & Medicine
Experts advise: Start colorectal screening at 45, not 50
The American Cancer Society recommends that colorectal screening begin at the age of 45 for average-risk individuals.
- Astronomy
Two-faced star reveals a pulsar’s surprising bulk
An ultramassive pulsar is frying its stellar companion so that the star shows two different temperatures.
- Genetics
Guidelines call for limits to whole genome testing for fetuses
Powerful tests offer unprecedented detail about fetal genomes. But whole-genome tests aren’t ready for widespread use yet, doctors caution.
- Animals
The first land-walking vertebrates may have emerged from salty estuaries
Early tetrapods were transitional creatures — not only between land and water, but also between fresh and salty environments.
- Paleontology
Oldest known lizard fossil pushes group’s origins back 75 million years
CT scan reveals hidden identity of an unusual lizard fossil found years ago in the Italian Alps.
- Climate
The first Americans could have taken a coastal route into the New World
Alaskan glaciers retreated in time for ancient coastal entries of the first Americans.
- Science & Society
The power of great editors, their lessons and legacy
Editor in Chief Nancy Shute reflects on the history and legacy of Science News editors.
- Science & Society
Readers respond to pesticides, Hawking radiation and more
Readers had questions about pesticides, Hawking radiation and the intersection of science and the public.
- Health & Medicine
Hurricane Maria killed at least 4,645 people in Puerto Rico, a study estimates
Researchers estimate Puerto Rico’s death toll from Hurricane Maria at more than 4,500 people based on household surveys — dwarfing the official count of 64.
- Astronomy
Astronomers scrutinized last year’s eclipse. Here’s what they’ve learned
Astronomers observed the 2017 total solar eclipse from the ground and the air, and found some never-before-seen features of the sun’s atmosphere.
