Image of the Day: Ant Imposters
Image of the Day: Ant Imposters
Over the course of their lives, the jumping spider Synemosyna formica wears two different ant disguises to fool preying birds.
Image of the Day: Ant Imposters
Image of the Day: Ant Imposters

Over the course of their lives, the jumping spider Synemosyna formica wears two different ant disguises to fool preying birds.

Over the course of their lives, the jumping spider Synemosyna formica wears two different ant disguises to fool preying birds.

ecology & environment
Can Humans Sense Magnetic Fields?
Can Humans Sense Magnetic Fields?
Carolyn Wilke | Mar 19, 2019
A study of people’s brainwaves hints at their unconscious ability to perceive the Earth’s magnetic field.
Image of the Day: Sperm Donors
Image of the Day: Sperm Donors
Carolyn Wilke | Mar 18, 2019
Asexual female nematodes use their male offsprings’ sperm to fertilize eggs, but cast away their genes.
Image of the Day: On the Rocks
Image of the Day: On the Rocks
Carolyn Wilke | Mar 15, 2019
Otters leave distinct patterns of wear on rocks they use for pounding mussels.
Image of the Day: Squid Skin
Image of the Day: Squid Skin
Carolyn Wilke | Mar 13, 2019
The cephalopods use several strategies to manipulate light and produce their colorful patterns.
Climate Change Impairs Trees’ Recovery from Wildfires
Climate Change Impairs Trees’ Recovery from Wildfires
Kerry Grens | Mar 12, 2019
Ponderosa pine and Douglas fir are less able to regenerate in the face of climate change, and some areas have already “crossed a critical climate threshold.”
Opinion: Why Warthogs Are Useful in Figuring Out How Bovine TB Spreads
Opinion: Why Warthogs Are Useful in Figuring Out How Bovine TB Spreads
Eduard Roos | Mar 12, 2019
The information we’ve gathered showed us that warthogs can be used as disease sentinels, avoiding the need to resort to testing valuable or endangered animals.
Mysterious Killer Whales Observed off Chilean Coast
Mysterious Killer Whales Observed off Chilean Coast
Carolyn Wilke | Mar 8, 2019
These Type D killer whales have blunter heads and a different color pattern than other orcas. A new species designation hinges on the results of genetic testing.
Image of the Day: Double Header
Image of the Day: Double Header
Carolyn Wilke | Mar 8, 2019
Scientists have manipulated the electrical signals that help guide flatworms in regenerating their body parts to encourage a flatworm to grow two heads.
Wolves Could Lose Protected Status in Lower 48 States
Wolves Could Lose Protected Status in Lower 48 States
Kerry Grens | Mar 7, 2019
The US Department of the Interior determined that the population has rebounded enough to no longer need Endangered Species Act protection; conservation biologists disagree.