Ecosystems
- Ecosystems
Confused mayflies wreak havoc on a Pennsylvania bridge
Cleaning a river in central Pennsylvania brought back mayflies, which now pose a threat to motorists crossing a bridge.
- Animals
A gentoo penguin’s dinner knows how to fight back
Cameras attached to gentoo penguins off the Falkland Islands revealed that, despite the birds’ small size, their lobster krill prey can sometimes win in a fight.
- Ecosystems
A freshwater, saltwater tug-of-war is eating away at the Everglades
Saltwater is winning in the Everglades as sea levels rise and years of redirecting freshwater flow to support agriculture and population growth
- Animals
In the animal kingdom, what does it mean to be promiscuous?
A review of hundreds of scientific studies finds that the label “promiscuous” is applied to a surprisingly wide range of mating behaviors in animals.
- Animals
With one island’s losses, the king penguin species shrinks by a third
Once home to the largest known colony of king penguins, Île aux Cochons has lost most of its birds for unknown reason.
- Animals
Got an environmental problem? Beavers could be the solution
A new book shows how important beavers have been in the past — and how they could improve the landscape of the future.
- Earth
The giant iceberg that broke from Antarctica’s Larsen C ice shelf is stuck
A year ago, an iceberg calved off of the Larsen C ice shelf. The hunk of ice hasn’t moved much since, and that has scientists keeping an eye on it.
- Oceans
Shallow reef species may not find refuge in deeper water habitats
Coral reefs in deep-water ecosystems may not make good homes for species from damaged shallow reefs.
- Ecosystems
Bird poop helps keep coral reefs healthy, but rats are messing that up
Eradicating invasive rats from islands may help boost numbers of seabirds, whose droppings provide nutrients to nearby coral reefs.
- Climate
Bloodflowers’ risk to monarchs could multiply as climate changes
High atmospheric carbon dioxide levels can weaken the medicinal value of a milkweed that caterpillars eat, and high temperatures may make the plant toxic.
- Animals
Why humans, and Big Macs, depend on bees
Thor Hanson, the author of Buzz, explains the vital role bees play in our world.
- Animals
Each year painted lady butterflies cross the Sahara — and then go back again
Painted ladies migrate the farthest of any butterfly.
