Animals
Snail slime does many jobs thanks to calcium
Snails have five distinct types of mucus, each with its own job. The mollusks tweak calcium secretions to get the chemical mixture just right.
Science News INDEPENDENT JOURNALISM SINCE 1921
Featured Stories
Trending Stories
We summarize the week's scientific breakthroughs every Thursday.
Spotlight on Health
Science News Magazine
From Science News Investors Lab
Featured Media
Sad or afraid? Dogs may be able to read your face
A new brain-imaging study suggests that dogs may be able to distinguish between certain negative human emotions just by looking at people’s faces.
