Experts analyzing the painting have several theories about why this unidentified woman has remained submerged for more than a ...

Scientists warn of climate threat to chocolate Climate change drove weeks of crop-withering temperatures last year in the West African countries that underpin the world's chocolate supply, hitting ...

The scale invariance in branch diameter dictates how much smaller a limb should be as it branches and how much investment a tree makes in a few thick branches versus many thin ones. Trees have evolved ...