News
- Health & Medicine
Male DNA found in female brains
Postmortem sampling suggests fetal cells can slip through the blood-brain barrier.
- Astronomy
Curiosity goes to the flow
Sent to Mars in search of water and other evidence of habitability, the rover appears to have landed in a dry streambed.
- Tech
Degradable devices vanish after use
Technique combines silicon, magnesium and silk for medical implants, transistors and digital cameras that can melt away.
- Astronomy
Team glimpses black hole’s secrets
In the distant galaxy M87, new observations about structure’s rotational speed and jets show the potential of a budding telescope network.
