A Moment of Science
If you have a runny nose and a fever, you'll need to drink more to replace those lost fluids. But why?
How much more does an older runner have to run in order burn as many calories as a teenager?
There's mounting evidence that long stretches of inactivity are not good for you, even if you're not overweight and seem basically healthy.
Hibernating bears reduce their metabolism 75 percent yet do not drop their core temperature.
Why do hands and feet sweat so much? How do hormones and the nervous system control the body's cooling system?
What happens in your body when you get nervous? Why do you feel like you have butterflies in your stomach?
If you're smart about what you eat, you might actually become smarter!
Are you hungry right now? It could be because your brain doesn't have enough leptin.
Who wants real bats in their house? Well, if bats could talk, they might say the feeling is mutual.
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