News
- 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.
