A new technology that evaluates pupil dilation may help identify brain injuries quickly and without special training. And that could speed up recovery.

“Look before grabbing any branches because the ants bite. You will be in pain for 24 hours,” a guide warns. “And watch where you step. You don’t want to get bitten by a snake.” Yikes. A walk in the rainforest isn’t for the faint of heart.

Buuuuzzzzzzz. Ashley Leger’s phone vibrates. She dons a neon vest, hard hat, and goggles. Then she climbs down into a massive hole and gently brushes debris from a lump in the dirt. Could this be “the big find”?

Carson, Jeff, Calvin, Francis, and Double Stuffed hang out at Maconaquah Middle School (MMS). They’re not students or teachers. They’re cattle. These cows and bulls are part of a project called School to Table.

Lynn Tran and Richard Hazen must be kids at heart. The married couple built a Florida beachfront treehouse that would delight any child. The structure has multiple levels, swinging hammocks, and windows looking out on the Gulf of Mexico. The hip hangout cost almost $30,000.

Researchers at the University of Washington are using data collected by ordinary citizens to monitor birds and beaches along the Pacific coastline. That means someone’s out there handling a lot of dead seabirds.

Everyone in Mosul, Iraq, dreaded the Islamic State-imposed checkpoints. But the women hated them most. The fanatic gunmen were unpredictable when they encountered the slightest hint of what they considered “sin.” One of them leaned into the backseat of the taxi the three women were riding in.

A natural substance called graphene is grabbing the world’s attention. Scientists say graphene may extend computer life, boost internet speed, strengthen helmets, enhance battery charging—even make you run faster. Graphene is nearing superhero status.