image of obese man eating a hamburger
Health & Fitness

Obesity or Malnutrition: Which Kills More People?

December 1, 2017

In a landscape of poor dieting practices, most of the world’s population now lives in countries where obesity kills more people than malnutrition. Professor Alyssa Crittenden discusses the science behind this trend. […]

Image of a brain
Biology

Right Brain vs. Left Brain: Dispelling a Popular Brain Myth

December 1, 2017

Roger Sperry, together with his student Michael Gazzaniga, participated in pioneering experiments, which won Sperry the Nobel Prize in 1981, and helped make Michael Gazzaniga the father of cognitive neuroscience. But their experiments also seeded one of the biggest brain myths out there: That “left-brained people are logical and “right-brained” people are creative. […]

Biology

Right Brain vs. Left Brain: Language, Dominance, and Their Shared Roles

December 1, 2017

When it comes to the “right brain vs. left brain” discussion, research has shown us just how communicative the hemispheres of our brain actually are. Unless the connection between them is physically severed, information zips across the hemispheres during the vast majority of tasks that our brains accomplish every second. […]

Biology

Biological Warfare: Using Germs as Weapons

December 1, 2017

“Fighting in a battle, he should not kill his enemies with weapons that are concealed, barbed, or smeared with poison.” So say the Laws of Manu, an ancient Brahmin text on moral conduct. […]

History

Biological Warfare: The Geneva Protocol of 1925

December 1, 2017

Chemical and biological weapons were outlawed by the Geneva Protocol of 1925, which was to set the ground rules for World War II. The Geneva Protocol was a very good idea, but the actual treaty was completely toothless. […]

Health & Fitness

Food Science and Nutrition Myths: How Dangerous are GMOs?

December 1, 2017

Just about all the plants and animals that you think of as food have been extensively cultivated over centuries, or even thousands of years by human ingenuity. How much cultivation is required before food no longer considered natural? Is any amount okay? […]

Health & Fitness

Food Science and Nutrition Myths: Is Natural Food Better for Us?

December 1, 2017

Often, the assurance that these things are true—that our food is safe, etcetera—is covered by calling something “natural,” as if being all natural automatically comes will these virtues. But, is that true and what does it really mean to be natural? And, should we avoid food that is not natural? […]

1 2 3 4 5 11