Uncategorized
- Oceans
Robotic subs reveal thicker Antarctic sea ice
New measurements by robotic subs suggest that scientists have underestimated Antarctic sea ice thickness.
- Science & Society
Visualizing Earth’s past, finding numbers in nature, and more
Exhibits at science museums around the country showcase the vastness of geologic time, whale evolution, life in ancient Maya civilization, and the mathematics hidden in nature.
- Physics
Negative mass might not defy Einstein
Repulsive matter could have played a role in the early universe, a computational study finds.
- Animals
Fully formed froglets emerge from dry bamboo nurseries
In remote India, a rare frog mates and lays eggs inside bamboo stalks. The eggs hatch into froglets, forgoing the tadpole stage.
- Earth
‘Mass Extinction’ vivifies the science of die-offs
The dinosaurs were killed off some 65 million years ago after a colossal asteroid struck Earth. But what many people probably don’t know is how paleontologists came to that conclusion. "Mass Extinction: Life at the Brink" tells that story.
- Chemistry
Radioactive fuel turns to goo during nuclear meltdown
Experiments reveal the atomic rearrangements that occur within uranium dioxide when nuclear reactors fail.
- Archaeology
Barley elevated Central Asian farmers to ‘the roof of the world’
Hardy western crops allowed villagers to settle in the cold, thin air atop the Tibetan Plateau.
- Cosmology
Galaxies may be aligned across 1 billion light-years
Powerful plasma jets from cores of galaxies seem to mysteriously align with one another and hint at an unknown mechanism shaping galaxy groups.
- Neuroscience
After injury, estrogen may shield the brain
Estrogen helps to prevent some of the chronic inflammation that occurs after brain injury.
- Planetary Science
Setting sights on Mars — a half-century ago
Fifty years ago, the United States turned its eyes toward Mars and set a goal of sending humans as soon as possible.
- Neuroscience
Breathing returns to paralyzed rats
Scar tissue–busting enzyme plus rehabilitation therapy improves respiration long after rats’ initial spinal cord injuries.
- Life
Norovirus can play protective role in mice
In mice, viral infection can help intestines develop, strengthen immune system.
