News
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Health & MedicineFreeing up the mouse genome
Scientists have assembled the DNA sequences from a strain of the common lab mouse and made the draft genome available for free over the Internet.
By John Travis -
Would-be brain boosters need data lift
Research has yet to confirm that the herb Ginkgo biloba and other nonprescription nutrients enhance memory and intellect.
By Bruce Bower -
AstronomyMore evidence for a revved-up universe
By studying the clustering pattern of galaxies, astronomers have obtained additional evidence that cosmic expansion is accelerating.
By Ron Cowen -
AnimalsGator Feelings: Tough faces, more sensitive than ours
Alligator and crocodile faces carry pressure receptors so responsive that they can detect ripples on the water's surface from a single falling drop.