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- Tech
50 years ago, artificial limbs weren’t nearly as responsive
Artificial limbs have come a long way since 1967.
- Neuroscience
Study casts doubt on whether adult brain’s memory-forming region makes new cells
An examination of 54 human brains suggests that adults don’t grow new neurons in the hippocampus, contrary to several widely accepted studies.
- Health & Medicine
How dad’s stress changes his sperm
Stress may change sperm via packets of RNA in the epididymis, a mouse study suggests.
- Neuroscience
The brain’s helper cells have a hand in learning fear
After a traumatic experience, rat brains release inflammatory signals that come from astrocytes, suggesting a new role for the brain’s “helper” cells.
