News
- Health & Medicine
A new algae-based menstrual pad could stop leaks
By turning period blood into a gel, the pad’s alginate powder filler reduces leakage.
- Space
Moonquakes are much more common than thought, Apollo data suggest
The discovery of 22,000 previously unseen moonquakes, plus a new idea of what causes them, could help us better prepare for trips there.
- Planetary Science
NASA’s Perseverance rover finds its first possible hint of ancient life on Mars
The NASA Mars rover examined a rock containing organic compounds and “leopard spots” that, on Earth, are associated with microbial life.
- Astronomy
The North Star is much heavier than previously thought
Polaris is about five times as massive as the sun, new observations reveal.
