Articles by

Helen Bradshaw

This robot can tell when you’re about to smile — and smile back

With its hairless silicone skin and blue complexion, Emo the robot looks more like a mechanical re-creation...

Teens are using an unregulated form of THC. Here’s what we know

Walk into a gas station in the United States, and you may see more than just boxes...

‘Space: The Longest Goodbye’ explores astronauts’ mental health

NASA engineers must quantify everything. But no matter how many equations they use to calculate launch windows,...

Here’s why pain might last after persistent urinary tract infections

Urinary tract infections are painful, inconvenient and incredibly common. For decades, doctors haven’t had any leads on...

Messed-up metabolism during development may lead guts to coil the wrong way

Inside the African clawed frog, intestines grow just like humans’: neatly coiled counterclockwise. Experiments now show how...

Migratory fish species are in drastic decline, a new UN report details

Migratory species don’t travel with a passport, but they cross borders all the time. This makes the...

A rare 3-D tree fossil may be the earliest glimpse at a forest understory

With its fluffed, spiraling top and thin trunk, the Sanfordiacaulis densifolia tree looks like it came straight...