News
- Neuroscience
Tiny, magnetically controlled robots coax nerve cells to grow connections
Research using microrobots and nerve cells from rats could point to new treatments for people with nerve injuries.
- Health & Medicine
A Brazilian city devastated by COVID-19 may have reached herd immunity
Up to half of Manaus was infected at the epidemic’s peak, which slowed further spread of the virus but also led to many deaths, scientists say.
- Animals
A beaked whale’s nearly four-hour-long dive sets a new record
The animals may rely on large stores of oxygen, a slow metabolism and the ability to tolerate lactic acid to go for hours without surfacing for air.
