SINGAPORE – Dealing with major depressive disorder and anger issues from past trauma, Charles turned to drinking and overeating as coping mechanisms – habits that took him years to break.

Tracking units on the shell of a wood turtle. The tracking information these GPS units collect is used to understand how wood turtles move throughout the year. Image credit: Smithsonian's Movement of ...

Wood is a precious raw material. In Sweden, the packaging industry is destroying more and more old forests to make toilet paper or cardboard. Biologists warn these ancient woodlands can no longer ...

Whereas animal cultures affect just a few crucial behaviors, such as courtship and feeding, human cultures cover a massive and constantly expanding set of activities, from clothing to table ...