Ancient Angkor’s mysterious decline may have been slow, not sudden
Analyzing sediment from the massive city’s moat challenges the idea that the last capital of the Khmer Empire collapsed...
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Slow sperm may fail at crashing ‘gates’ on their way to an egg
A new study describes how sperm navigate narrow straits in the reproductive tract’s obstacle course to reach an egg.
A cell-killing strategy to slow aging passed its first test this year
Are tired-out cells what make people old? A new generation of drugs is designed to wipe them out.
