Uncategorized
- Paleontology
Caribbean Extinctions: Climate change probably wasn’t the culprit
Remains of extinct sloths unearthed in Cuba and Haiti indicate that the creatures persisted in Caribbean enclaves until about 4,200 years ago, a finding that almost absolves climate change following the last ice age as a cause for the die-offs.
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19607
I was wondering if researchers have given any thought to the idea that in the same way that disease devastated human populations after the European discovery of the Americas, perhaps disease was a contributing factor in the demise of much of the fauna of the Western Hemisphere. Could domesticated animals traveling with the humans, or […]
- Health & Medicine
Defense Mechanism: Circumcision averts some HIV infections
Men who get circumcised reduce their risk of acquiring the AIDS virus by more than half.
