How DNA testing can rip families apart -- and bring them together

Two women from shattered homes have been using DNA tests to discover why they have always felt like outsiders. They find each other on a social network for people who want to compare their genomes — and they get a match. Are they related? Did their parents have an affair? New DNA services promise to help them find out. » 9/30/13 10:51am 9/30/13 10:51am

The book about earthworms that took Charles Darwin 44 years to write

For most of his adult life, Charles Darwin was mulling over the earthworm question. In the years before his famous adventure on the H.M.S. Beagle, he began investigating how these creatures creates soil-enriching mold during their digestive process. Off and on in the decades after that, he continued to ponder… » 1/23/13 4:50pm 1/23/13 4:50pm

The power of armadillo penises: why more scientists should tell stories

For many scientists, narrative does not come naturally — but it can be a remarkably useful tool. Case in point: armadillo penises. Armadillo penises have the power to change the way people think about scientists and the animals they experiment with; they just need someone to tell their story. » 10/01/12 6:40am 10/01/12 6:40am