Sun

Health & Medicine
Getting enough vitamin D, without getting too much sun
Vitamin D is essential for the health of our bones and immune system. So how do we safely get enough?

Environment
Earth’s invisible shield can help reveal our past and our future
Dr Agathe Lise-Pronovost studies the Earth’s magnetic field, which protects our planet from harmful cosmic rays and leaves its signature in ancient rocks

Health & Medicine
Can sunshine help your brain?
New research suggests adequate vitamin D in midlife may help women maintain at least some of their brain power as they age