Science News
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Komodo dragon teeth get their strength from an iron coat
Studying the reptile’s ironclad teeth in more detail could help solve a dinosaur dental mystery.
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A new algae-based menstrual pad could stop leaks
By turning period blood into a gel, the pad’s alginate powder filler reduces leakage.
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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.
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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.
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The North Star is much heavier than previously thought
Polaris is about five times as massive as the sun, new observations reveal. That’s around 50 percent heavier than what an earlier study found.