Ancient land plant reveals the evolution of a 400‑million‑year‑old UV‑B protection system

Sunlight provides the energy necessary for photosynthesis and growth, but it also exposes plants to harmful ultraviolet-B (UV ...

Ancient land plant discovery reveals origins of a 400-million-year-old UV-B protection system that helped plants conquer Earth

How an ancient UV-B defence mechanism shaped the evolution of the first land plants ...

Researchers discover DNA’s hidden defense against UV radiation

DNA sits in sunlight every day, absorbing ultraviolet radiation that can set off the kind of chemical changes linked to ...