All Stories by Susan Milius
- Animals
He Clones, She Clones: Dad, mom ants as different species
In the little fire ant, males and queens clone themselves, the closest science has gotten to declaring males and females as separate species.
- Plants
Long search reveals cell receptor for plant growth
More than 70 years after biologists identified the important plant growth hormone auxin, they have finally found a cell-receptor molecule for it.
- Animals
Dee for Danger: Chickadees add notes as threat grows
Chickadees change their alarm calls depending on how serious a lurking predator seems.
- Humans
Using one’s head
Porters in Nepal turn out to be the most efficient human load carriers yet recorded, carrying burdens that average 93 percent of their body weight.
- Animals
Sponge Moms: Dolphins learn tool use from their mothers
Dolphins that carry sponges on their beaks while looking for food may have learned the trick from their mothers instead of just inheriting a sponge-use gene.
- Plants
World’s fastest plant explodes with pollen
A high-speed camera has revealed the explosive pollen launches of bunchberry dogwood flowers as the fastest plant motion known.
- Animals
Comeback Bird
Looking for a long-lost woodpecker had its special challenges, including anticipating what would happen if the hunt actually succeeded.
- Animals
Anemone Wars: Clone armies deploy scouts, attack tidally
The first description of clashing armies of sea anemones has revealed unsuspected military tactics.
- Plants
Built-in bird perch spreads the pollen
Tests confirm the idea that a plant benefits from growing a bird perch to let pollinators get the best angle for reaching the flowers.
- Animals
New Mammals: Coincidence, shopping yield two species
Researchers have identified a new species of monkey in Africa and a rodent in Asia that belongs to a new family among mammals.
- Animals
Built for Blurs: Jellyfish have great eyes that can’t focus
Eight of a box jellyfish's eyes have superb lenses, but their structure prevents them from focusing sharply.
- Animals
Alive and Knocking: Glimpses of an ivory-billed legend
New observations confirm that the famed ivory-billed woodpecker has not gone extinct after all.
