Uncategorized
- Climate
The loss of ‘eternal ice’ threatens Mongolian reindeer herders’ way of life
Mongolian reindeer herders help scientists piece together the loss of the region’s vital “eternal ice” patches.
- Space
How two gamma-ray bursts created record-breaking high-energy photons
Light packing up to 1 trillion electron volts of energy bolsters a theory for how these cosmic explosions produce such high-energy radiation.
- Health & Medicine
Dengue cases in the Americas have reached an all-time high
There have been more dengue cases in the Americas this year than ever before, according to the Pan American Health Organization.
- Neuroscience
Some people with half a brain have extra strong neural connections
Brain scans of six people who had half their brains removed as epileptic children show signs of compensation.
- Life
Caribou migrate farther than any other known land animal
Caribou in Alaska and Canada migrate up to 1,350 kilometers round trip each year, a study reports.
- Health & Medicine
Full intestines, more than full stomachs, may tell mice to stop eating
A new description of stretch-sensing nerve endings in mice’s intestines could lead to ways to treat obesity.
- Animals
Humpback whales in the South Atlantic have recovered from near-extinction
A new count shows the population off Brazil went from about 450 in the 1950s to some 25,000 today.
- Materials Science
Lead becomes stronger than steel under extreme pressures
Lead is a soft metal, easily scratched with a fingernail. But that changes dramatically when the metal is compressed under high pressures.
- Climate
5 things to know about fighting climate change by planting trees
One group’s idea of planting vast swaths of trees to curb climate change exaggerates the proposal’s power to trap carbon, some argue.
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Readers question carbon nanotube transistors and brain organoids
Readers had questions about carbon nantoube transistors and brain organoids.
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Problem solving and the power of humankind
Editor in Chief Nancy Shute discusses the AIDS epidemic and a woman who helped define the limits of mathematical understanding in the 20th century.
- Science & Society
A Dallas museum hosts rare hominid fossils from South Africa
Fossils of the South African hominids Australopithecus sediba and Homo naledi are on display at the Perot Museum of Science and History in Dallas.
