Up Next
Back to Show
Deep Look
This Is Why Water Striders Make Terrible Lifeguards
Season 4
Episode 15
They may look serene as they glide across the surface of a stream, but don't be fooled by water striders. They're actually searching for prey for whom a babbling brook quickly becomes an inescapable death trap.
Support Provided By
3:57
Sharpshooters have super-propulsive urine using a catapult in their butt.
4:36
Corals create an underwater "snowstorm" by sending tiny white spheres up the water column.
3:58
Ever wonder how those tiny, jumpy flies got onto your bathroom wall?
4:38
Jellyfish clone themselves by morphing into a stack of squirming jellyfish pancakes.
4:28
As temperatures rise, the brown dog tick is more likely to feast on you.
5:46
This fuzzy acorn weevil uses her snout to drill through an acorn's shell.
6:41
Beekeepers and scientists are helping honeybees fight off varroa mites.
5:14
Ladybugs may be the cutest insects around, but they don't start off that way.
3:57
Do cockroaches -- daring, disgusting disease vectors -- have anything at all to offer us?
5:42
Covered in a shiny bubble, the alkali fly scuba dives in California's Mono Lake.
4:58
A “bee fly” is a freeloader that takes advantage of a bindweed turret bee’s hard work.
4:05
The scaled wormsnail cements its shell to a rock and snags its meals using mucus!