Climate Change Impairs Trees’ Recovery from Wildfires
Climate Change Impairs Trees’ Recovery from Wildfires
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.”
Climate Change Impairs Trees’ Recovery from Wildfires
Climate Change Impairs Trees’ Recovery from Wildfires

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.”

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.”

ecology & environment
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.
Image of the Day: Making Waves
Image of the Day: Making Waves
Carolyn Wilke | Mar 6, 2019
Slithering snakes mimic waves of light, “diffracting” as they pass by an obstacle.
Seven North Atlantic Right Whale Calves Spotted So Far This Year
Seven North Atlantic Right Whale Calves Spotted So Far This Year
Ashley Yeager | Mar 5, 2019
The number of new babies is up from zero born last year, but scientists say the birth rate is still too low to sustain the population of endangered whales.
Image of the Day: Under the Microscope
Image of the Day: Under the Microscope
Carolyn Wilke | Mar 5, 2019
A virtual exhibition of C.R. Percival’s slides reveals the natural world up close.
Image of the Day: Raindrop Vortex
Image of the Day: Raindrop Vortex
Carolyn Wilke | Mar 4, 2019
Splashes from raindrops spend fungal spores high enough aloft to be swept away by the wind, researchers observe with high-speed photography.
GPS-Tagged Seabirds Track the Tides
GPS-Tagged Seabirds Track the Tides
Jef Akst | Mar 1, 2019
Birds drifting on the surface of the sea could provide valuable data for oceanographers.