Latest stories
-
Bombardier Beetles Fire a Hot Chemical Spray in Rapid Pulses
Bombardier beetles repel predators with a hot, pulsed chemical spray. X-ray studies revealed how their internal structures control each burst.
-
Some Sea Cucumbers Eject Internal Organs to Escape Predators
Some sea cucumbers expel digestive organs or sticky defensive tubes to evade predators, then regenerate lost tissue. Here’s how it works.
-
Vampire Squid Are Neither Vampires Nor True Squid
The vampire squid doesn’t drink blood or hunt like a true squid. Instead it collects marine snow with sticky feeding filaments in the oxygen-poor deep.
-
Platypuses Hunt With Their Eyes Closed. The Bill Does the Searching.
Platypuses close their eyes, ears and nostrils while diving, relying on sensory receptors in their bills to locate underwater prey.
-
Hummingbirds Can Fly Backward. Their Wings Do More Than Flap.
Hummingbirds can hover, fly sideways and backward by changing their wing movements. That aerial control helps them feed at flowers.
-
Lyrebirds Can Mimic Chainsaws—but the Famous One Lived in a Zoo
Lyrebirds can mimic chainsaws, but the famous recording featured captive birds. In the wild, their best-documented impressions are other birds.
-
Giant Deep-Sea Isopods Can Go Remarkably Long Without Eating
A giant deep-sea isopod reportedly survived five years without eating in captivity. Here’s how these armored scavengers cope with life between meals.
-
Mantis Shrimp Punch So Fast They Make Bubbles Implode
Mantis shrimp use spring-loaded clubs to smash shells. Their rapid strikes can create cavitation bubbles that collapse and add another jolt.
-
Spiders Can Sense Electricity in the Air—and Use It to Fly
Some spiders sense atmospheric electricity and use silk to take off. Controlled experiments show how electric fields can help them balloon without wind.
-
Sunsets on Mars Turn Blue Near the Sun
Mars is red, but its sunsets can glow blue near the Sun. NASA rover images show how fine dust creates the counterintuitive color pattern.