Articles by

Helen Bradshaw

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...