News
- Health & Medicine
How much water should you drink a day? It depends on several factors.
A study of more than 5,000 people in 23 countries finds that individual water need varies widely depending on physical and environmental factors.
- Health & Medicine
Brief bursts of activity offer health benefits for people who don’t exercise
Non-exercisers who had brief bouts of vigorous day-to-day activity saw a reduced risk of death comparable to that of people who exercise regularly.
- Chemistry
How to make tiny metal snowflakes
In a pool of molten gallium, researchers grew symmetrical, hexagonal zinc nanostructures that resemble natural snowflakes.
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