All Stories
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- Chemistry
DEET confuses mosquitoes
Scientists suspect the repellant messes with a mosquito’s sense of smell.
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Science fairs: Teaching students to think like scientists
Broadcom MASTERS competition encourages science as interactive, live process, not just memorization.
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- Planets
Double sunsets on a distant world
Astronomers discover for the first time a planet circling two stars.
- Tech
Cars of the future
New cars will be smarter, safer, more efficient — and able to drive themselves.
- Humans
Old bones ignite fresh debate
Scientists try to understand how 2 million-year-old fossils fit among ancient species.
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