Uncategorized
- Life
Cells avoiding suicide may play role in spread of cancer
A newly discovered process can pull cells back from the brink of death.
- Quantum Physics
Vacuum’s quantum effect on light detected
Light can be polarized through interactions with empty space.
- 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
- Health & Medicine
Oldest traces of smallpox virus found in child mummy
The oldest genetic evidence of smallpox comes from variola virus DNA found in a child mummy buried in a church crypt in Lithuania.
By Meghan Rosen - Animals
Why crested penguins lay mismatched eggs
After long migratory swims, crested penguins lay one small and one larger egg.
By Susan Milius - Earth
Third kind of quasicrystal found in Russian meteorite
A new quasicrystal found inside a Russian meteorite is the first ever found in nature before being synthesized in the lab.
- 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.
By Susan Milius - 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.
- Science & Society
Virtual reality raises real risk of motion sickness
New research confirms anecdotal reports that virtual reality headsets can cause motion sickness, and may affect women more than men.
By Betsy Mason - Tech
Zippy new jumping bot catches air again and again
Leaping robot can bounce from floor to wall, parkour-style, and, like a bush baby, uses a “super-crouch” to get extra oomph out of jumps.
By Meghan Rosen