Life
We summarize the week's scientific breakthroughs every Thursday.
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- Paleontology
Dinosaur tail preserved in amber, with feathers
The tail of a dinosaur trapped in amber includes both feathers and identifiable bits of bone.
- Life
Cells avoiding suicide may play role in spread of cancer
A newly discovered process can pull cells back from the brink of death.
- Genetics
Epigenetic marks may help assess toxic exposure risk — someday
Exposure to things in the environment may change chemical tags on DNA and proteins, but it’s still unclear how to use that data to assess health risks.
- Life
Early RNA may have used isolation strategy to defeat useless mutants
Temporary barriers help RNA escape shorter, faster-replicating parasites
- Neuroscience
Health official calls on neuroscience to fight mental illness
When it comes to mental health, all countries are developing countries, WHO official says, appealing to neuroscience for help.
- Animals
Why crested penguins lay mismatched eggs
After long migratory swims, crested penguins lay one small and one larger egg.
- Life
Having an extra chromosome has a surprising effect on cancer
Extra chromosome copies may protect against, not cause, cancer.
- Ecosystems
Losing tropical forest might raise risks of human skin ulcers, deformed bones
Bacteria that cause Buruli ulcer in people flourish with tropical deforestation.
- Neuroscience
Brain waves show promise against Alzheimer’s protein in mice
Flickers of light induce brain waves that wash amyloid-beta out of the brain, mouse study suggests.
- Animals
Why a mountain goat is a better climber than you
For the first time, scientists have analyzed how a mountain goat climbs a cliff. Big muscles in the shoulder and neck help a lot, they find.
- Life
Cell distress chemicals help embryos quickly heal
The chemicals trigger drawstring-like structures that help close wounds.
