Genetics

The DNA You Shed Could Identify You

The DNA you shed everywhere could be used to identify you, and experts are concerned

Jenny Whilde, Jessica Alice Farrell and The Conversation

Animals

Lab-Grown Monkey Embryos Reveal in 3-D How Organs Begin

At 25 days old, these specimens could be the oldest primate embryos ever grown outside the womb

Gemma Conroy and Nature magazine

Genetic Engineering

First U.K. Children Are Born Using DNA from Three ‘Parents’

The U.K.’s fertility regulator reveals that at least one child has been born using mitochondrial replacement therapy, but the procedure’s effectiveness remains to be seen...

Ewen Callaway and Nature magazine

Animals

Parrot Babies Babble Just like Us

Parrot nestlings spend time stringing together jumbled mixtures of sound—a rehearsal for more adult conversations
 

Karen Hopkin

Animals

These Sharks Hold Their ‘Breath’ to Stay Warm

Scalloped hammerhead sharks take dramatic dives to hunt for food in cold, deep waters—and new evidence suggests they hold their breath to keep warm while they do so

Meghan Bartels