News
- Earth
POPs in the butter
Governments may be able to monitor trends in the release and transport of persistent organic pollutants by sampling butter.
- Earth
Leaden calcium supplements
Consuming calcium along with lead limits, and may prevent, the body's absorption of the toxicant.
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Did males get bigger or females smaller?
It's time to stop assuming that standard gender differences in birds come from males getting bigger rather than from females getting smaller.
- Physics
Frigid ‘dynamite’ assembles into superatom
Although it's now the fifth element to be made into the strange state of ultracold matter known as Bose-Einstein condensate, helium may prove to be the most revealing so far because of unusually high energies within the newly condensed atoms.
