News
- Health & Medicine
Belated angioplasty saves no lives
A common heart procedure called angioplasty doesn't save lives if it is performed more than a couple of days after a heart attack.
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Oceans reveal secrets of viruses
Scientists have completed the first survey of virus DNA in oceans around the world.
- Tech
Safety practices surveyed
Nanotechnology companies and laboratories largely rely on the same safety practices that they use when working with conventional chemicals, an international survey reports.
- Earth
Balancing Act: El Niños and dust both affect coral bleaching
Most of the annual variation in the extent of coral bleaching in the Caribbean is driven by two factors: the amount of dust and other particles suspended in the atmosphere, and the climate phenomenon known as El Niño.
