News
- Chemistry
Were Viking landers blind to life?
The Viking landers may have missed potential signs of life when they explored Mars in 1976.
- Earth
The African source of the Amazon’s fertilizer
More than half of the airborne dust that provides vital nutrients to the Amazonian rainforest comes from a small corner of the Sahara.
- Tech
The Little Chill: Tiny wind generator to cool microchip hot spots
By generating a tiny cooling wind, a microscale silicon needle armed with a powerful electric field has demonstrated its potential as a new way to cool increasingly hot microchips.
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Birds Beware: Several veterinary drugs may kill scavengers
Scavenging birds worldwide could be at risk of accidental poisoning from carcasses of livestock that farmers had dosed with certain anti-inflammatory drugs.
