Watch this fascinating demonstration of air pressure at work. Notice how the egg vibrates as the heated air escapes around it, and how it gets smoothly pushed into the bottle by atmospheric pressure.

Pressure sensors are one of the most widely commercialized microdevices, engineered to detect changes in air, gas, or liquid pressure for monitoring and control purposes. Image Credit: Superior ...

Women with blood pressure levels in a range considered clinically normal during pregnancy but no mid-pregnancy drop in blood pressure face an increased risk of developing hypertension in the five ...

the president and CEO of the Society for Science, which coordinates ISEF. "But they also feel the pressure of wanting to win and the pressure of going to college," she told Business Insider last week.