Search

86.3

The Human Population Explosion

The world’s human population, once relatively constant at 300 million people, is currently expanding at a rate of 1.4 percent per year. This rapid rate of growth has serious ramifications for the environment and the future of humankind.

Read More »

Uncovering the Biochemical Basis of Depression

In a new correlation study, researchers in Professor Picciotto’s lab showed that individuals afflicted with depression have higher levels of acetylcholine in their brains. The researchers used mice to demonstrate the complexity of the pathways involved in depression, and their findings could give rise to more effective antidepressants.

Read More »

Q&A: What Causes Iridescence?

The word “iridescence” comes from Iris, the Greek goddess of the rainbow. Iridescence is seen throughout nature in feathers, scales, and other objects, but how does it actually work?

Read More »