Life
- 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.
- Animals
Scientists’ tags on fish may be leading seals to lunch
In an experiment, 10 young grey seals learned to associate the sound of a pinging tag with fish. The tags may make fish vulnerable to predators, scientists say.
- Neuroscience
After injury, estrogen may shield the brain
Estrogen helps to prevent some of the chronic inflammation that occurs after brain injury.
- Animals
Virus implicated in sea star die-off
Sea stars on the west coast have been wasting away into puddles of slime. Now, scientists think they have pinpointed the virus that is causing the mass die-off of the dazzling marine creatures.
- 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.
- Neuroscience
Areas people like to be caressed match up with nerve fibers
A caress in a sweet spot at the right speed activates nerve fibers tied to social touch.
- Life
Springs bring gecko stickiness to human scale
Springs of a stretchy alloy let gecko-inspired adhesives work at human scales to climb glass walls or grab space junk.
- Neuroscience
Protein production prevents sleep-loss forgetfulness
Boosting levels of certain proteins in mice prevented memory problems associated with sleep deprivation.
- Life
Tasty animals end up on latest list of threatened species
Growing food market lands several species, including Pacific bluefin tuna and Chinese pufferfish, on the IUCN Red List of Threatened Species.
- Neuroscience
Mold may mean bad news for the brain
Living with mold isn’t good for your lungs. A study in mice shows that mold exposure may also cause inflammation that is bad for the brain.
- Environment
DDT lingers in Michigan town
Decades after a plant manufacturing DDT shut down in Michigan, the harmful insecticide is still found in neighboring birds and eggs.
