Notebook
- Earth
50 years ago, nuclear blasting for gas boomed. Today it’s a bust.
50 years ago, scientists made plans to use nuclear explosions to extract natural gas from underground. In one such experiment, the gas was released but turned out to be radioactive.
- Health & Medicine
A Pap smear can scoop up fetal cells for genome testing
Pap smear during pregnancy could offer an early way to test for fetal genetic disorders.
- Animals
Brazilian free-tailed bats are the fastest fliers
Ultrafast flying by one bat species leaves birds in the dust.
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