News
- Archaeology
Ancient human DNA was extracted from a 20,000-year-old deer tooth pendant
Insights into Stone Age people’s lives may soon come from a new, nondestructive DNA extraction method.
- Animals
A 2,200-year-old poop time capsule reveals secrets of the Andean condor
Guano that has accumulated in a cliffside Andean condor nest for 2,200 years reveals how the now-vulnerable birds responded to a changing environment.
- Health & Medicine
Ultrasound allows a chemotherapy drug to enter the human brain
An early-stage clinical trial demonstrates a technique for getting a powerful chemotherapy drug past the usually impenetrable blood-brain barrier.
- Neuroscience
Neuroscientists decoded people’s thoughts using brain scans
The finding may lead to better communication aids for people who can’t communicate easily.
