Flying is really hard work. Compared to walking, swimming, or running, flying is the form of movement that takes the most ...

No matter how much they brush their teeth, some people still get more cavities than others, in part because of differences in ...

Some people are more prone to cavities than others, even when their mouth hygiene is good. Differences in individual genetics ...

Whales are mighty. Blue whales, for example, aren’t only the largest animal on Earth, but as far as we know, they’re the ...

CT scans also indicate Archaeopteryx had nerve endings in the end of its beak—part of what’s known as a bill-tip organ. Again ...

Scientists develop powder that whitens teeth with just vibration from toothbrush - New powder found to overcome limitations ...

A new vibration-activated whitening powder uses electric toothbrush motion to brighten teeth while repairing enamel and influencing oral bacteria. Tooth stains are not always a brushing problem. Some ...

A great white shark is a masterwork of evolutionary engineering. These beautiful predators glide effortlessly through the ...

Even with regular brushing, teeth can become stained from genetic factors or consuming foods and drinks like tomatoes and coffee. Chemical whiteners can help, but they can also damage teeth in ...

Researchers analyzed proteins extracted from "How to Cure and Expel All Afflictions and Illnesses of the Human Body" and "A ...