Uncategorized
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Sleeper Finding: Hormone key to hibernation?
A recently discovered hormone may play a major role in triggering and maintaining hibernation.
- Earth
Limited Storage: Lack of nutrients will constrain carbon uptake
Even though the carbon dioxide in Earth's atmosphere acts as a fertilizer for plants, the planet's vegetation won't be able to sequester large amounts of that greenhouse gas in the long term because it will quickly run out of other nutrients.
- Animals
Into Hot Water: Lab test shows that worms seek heat
Worms from deep-sea vents prefer water at temperatures near the upper limit of what animals are known to survive.
- Health & Medicine
Estrogen Safety: Studies raise cancer, blood clot questions
Two studies provide conflicting findings on estrogen therapy's effect on breast cancer risk, while a third study suggests that the hormone contributes to blood clot formation.
