News
- Astronomy
Half of the Milky Way comes from other galaxies
A galaxy may swipe up to half of its atoms from other galaxies, making the Milky Way mostly extragalactic stuff, new simulations suggest.
- Plants
Borrowed genes give mums the blues
Scientists have genetically modified chrysanthemums to be “true blue” for the first time.
- Planetary Science
More hints of Martian hot springs may hold promise for Mars 2020 mission
An analysis of ridges in a crater of Margaritifer Terra on Mars offers evidence of ancient hot springs and also hints at the potential for finding signs of life.
- Quantum Physics
Quantum tunneling takes time, new study shows
A new measurement disfavors the idea that electrons can escape atoms instantaneously.
- Health & Medicine
Most football players who donated their brains to science had traumatic injury
A self-selected sample of 202 deceased football players, the largest to date, finds that the majority suffered from chronic traumatic encephalopathy.
- Health & Medicine
Add penis bacteria to the list of HIV risk factors
Certain bacteria found on the penis raise the risk of HIV infection, a new study finds.
- Astronomy
Fewer big rogue planets roam the galaxy, recount shows
Jupiter-mass planets without parent solar systems are less common than astronomers thought, a new study suggests.
- Chemistry
Radioactive substances leave electron ‘fingerprints’ behind
A new method of nuclear forensics could make it harder to handle radioactive material in secret.
- Genetics
Resistance to CRISPR gene drives may arise easily
New tools for pest and disease control could become useless without improvements.
- Physics
Majorana fermion detected in a quantum layer cake
Scientists found evidence of a particle that is its own antiparticle.
- Health & Medicine
Cows produce powerful HIV antibodies
For the first time in any animal, researchers elicit broadly neutralizing antibodies against HIV. Cows’ antibodies could help with drug development.
- Genetics
These genes may be why dogs are so friendly
Dog domestication may be the result of just a few genetic changes, including ones that made canines more interested in interacting with people.
