An understanding of the relationships between dietary habits and supplement use or smoking is useful for aetiological studies and surveillance purposes. The objective of this study is to describe ...

Thundereggs look like regular rocks from the outside, but contain intricate and colorful mineral patterns inside — often made of quartz, chalcedony, or agate. They are nodule-like rocks typically ...

Sharks, found in deep and shallow waters throughout the oceans, are some of the oldest living creatures on planet Earth. Shark skeletons, made of rubbery tissue called cartilage, have fascinated ...

(Nanowerk Spotlight) The microscopic architecture of bone tissue - an intricate mineral framework smaller than a human hair - enables its unique ability to heal and bear weight. This structural ...