Coral’s complex reproduction
An illustrator's challenge: show budding, brooding, and fragmentation on the reef.
A deadly dance
The Covid-19 spike protein is dynamic, changing its shape to fuse with cell membranes.
A naturalist’s notebook
Illustrator Bea Martin went to the intertidal zone with paper, pencils, and brush.
How a retrovirus helped placental mammals
A special protein is key to the tissue barrier between mother and fetus.
Colors that say, “Stay away!”
This moth's lifecycle includes ingesting poison for protection.
Photosynthesis: the planet-protecting lifecycle
Peer into a chloroplast and its important thylakoid membrane.
Seeing skin’s full spectrum
Brown skin comes in many colors, illustrator Hillary Wilson insists.