Uncategorized
- Anthropology
Peru Holds Oldest New World City
Construction of massive ceremonial buildings and residential areas at a Peruvian site began 4,000 years ago, making it the earliest known city in the Americas.
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When parents let kids go hungry
Researchers comparing Northern and Southern birds have confirmed a prediction about parents protecting themselves at their offsprings' expense.
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Weather cycles may drive toad decline
For the first time, scientists have linked a global climate pattern to a specific mechanism of amphibian decline.
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Worm sperm stimulate ovulation
A sperm protein for movement also prompts egg maturation and ovulation.
