Regeneration. Science-fiction?

Regeneration always reminds me of the Doctor in Doctor Who. He (or she, in most recent episodes) has the ability to regenerate into a different person altogether. Unfortunately, the Doctor is an alien and a fictional character. So we are far from having this ability. However, regeneration can be in the form of regrowing limbs. … Continue reading Regeneration. Science-fiction?

Water. Part 2/2 : How does sweating cool us down?

Water, again, is responsible for evaporative cooling.  Water molecules are bonded to each other by hydrogen bonds. Lots and lots of hydrogen bonds are difficult to break. Water requires a high amount of energy to break these bonds. As a result, it is relatively difficult to evaporate water into a gas. If you want to … Continue reading Water. Part 2/2 : How does sweating cool us down?

Water. Part 1/2: Next time you’re drinking water…

Every single person knows that we need water to live. So we drink water on a daily basis. We are  told that drinking more water improves our skin, our hair and our metabolism. So we buy those special bottles that monitor how much water we drink in a day. But do you know why water … Continue reading Water. Part 1/2: Next time you’re drinking water…