Common influenza infects people around the world. What are the dangers of pandemic bird flu, and what can we do to avoid them? What are the roles of vaccines, international cooperation, and national governments?

Studies of mitochondria show that polar people evolved greater ability to create heat; study has health implications for energy-deficiency diseases, Alzheimer’s disease and Parkinson’s disease.

Embryonic stem cells are the source of every cell in your body. Does researching them violate human sanctity, or is it medicine’s brightest frontier? Should we rely on adult stem cells instead? In this debate, knowledge is power.

Genes of giant tortoises reflect ancient volcanic eruption in Galapagos Islands.

Scientists work to select and breed first-rate racehorses using biomechanics and computer software. Result? Love that big butt!

Edible vaccines offer cheap, easy solution to halt disease in developing countries, but roadblocks remain. Is this an acceptable type of gene-modified food?

It’s gibberish to us, but what does the Human Genome Project mean for biology?

Diamonds, mating and chocolate: three necessities of Valentine’s Day.

Mechanisms of evolution uncovered with stickleback fish research.

Evolution is going on all around us. Evolution and everyday life.