All Stories by Sarah Zielinski
- Animals
Pup kidnapping has a happy ending when a seal gets two moms
A female fur seal kidnapped another seal’s pup. But this turned out to be a positive the young seal, scientists found.
- Oceans
Sea ice algae drive the Arctic food web
Even organisms that don’t depend on sea ice depend on sea ice algae, a new study finds. But Arctic sea ice is disappearing.
- Animals
Tiny ants move a ton of soil
For the first time, scientists have quantified how much soil ants move underground.
- Animals
For jaguars, armored prey is no obstacle
With big heads, thick teeth and strong muscles, jaguars have evolved to take on dangerous prey, often animals covered with thick armor.
- Animals
What animals’ life spans can tell us about how people age
The animal world can offer insights into human longevity.
- Animals
When bird populations shrink, females fly away
In small and shrinking populations of willow warblers, males outnumber females. That’s because girls choose to join bigger groups, a new study finds.
- Animals
Beetles that battle make better moms than ones that never fight
Female burying beetles that have to fight before reproducing spend more time caring for offspring than beetles with no fighting experience, a new study finds.
- Animals
Lionfish invasion comes to the Mediterranean
Scientists had thought that the Mediterranean was too cold for lionfish to permanently settle there. But now they’ve found a population of the fish off Cyprus.
- Animals
Sneaky male fiddler crabs entrap their mates
Some male banana fiddler crabs get a female to mate with them by trapping her in their burrow, a new study finds.
- Animals
Bacteria make male lacewings disappear
Scientists have tracked down why some green lacewings in Japan produce only female offspring: Bacteria kill off all the males early in life.
- Animals
Three-toed sloths are even more slothful than two-toed sloths
The three-toed sloth Bradypus variegatus has the lowest field metabolic rate ever recorded, a new study finds.
- Animals
That ‘Dory’ for sale may have been poisoned with cyanide
Preliminary results from a new study show that over half of aquarium fish sold in the United States may have been caught with cyanide.
