Early Memories
Why don't you have memories from your babyhood? A scientist explains.
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Pollution and Obesity
Could pollution be a cause of the obesity epidemic?
Addiction and Hunger
Addiction and hunger seem to activate the same brain circuits.
Polio Vaccine Savings
When it comes to public health, spending money can save money.
Fish Cannibals
For one fish species, cannibalism is the solution to a paternity question.
Insects in Winter
A listener asks: Where do all the insects go in winter?
Man-Made Earthquake
Humans caused the most destructive earthquake in Australia's history.
Vestigial Organs
Believe it or not, our bodies have parts that don't have any use.