Teens who do not sleep enough are at a higher risk of becoming obese by age 21, according to new research published in the Journal of Pediatrics. Read more
INFOGRAPHIC OF THE WEEK
Water is the most neglected nutrient in your diet, but one of the most vital.
- SLICE OF HISTORY
Two scientific papers outlining the process of natural selection are jointly published in the Journal of the Proceedings of the Linnean Society of London. One is an abstract written by a well-known scientist, Charles Darwin; the other is an essay by a lesser-known naturalist named Alfred Russel Wallace. Independently of each other, they have developed a theory of how species evolve. Few in the scientific community take notice at first, but a year later Darwin will publish his landmark book, On the Origin of Species. While Wallace goes on to become a celebrated scientist, it is Darwin who will forever be associated with the theory of evolution. Get the full story.