News
- Health & Medicine
Dopamine fends off zzzzz’s
A reward chemical in the brain helps keep sleep-deprived people awake.
- Physics
Short-lived particle questions long-lived theory
In sifting through the ashes of a short-lived subatomic particle called the kaon, physicists are slowly accumulating new hints that the theory of elementary particles might one day have to be modified.
- Chemistry
FBI reveals more details of anthrax investigation
A panel of scientists involved in the anthrax investigations released new details.
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