Susan Milius' Articles
- Adults males carrying the altered gene cannot father young that survive to adulthood. That’s when they suck blood — and can transmit disease.
- Increasing levels of the greenhouse gas are changing diminishing the food value of pollen, bees’ only source of protein.
- The tops of Christmas tree worms look like brightly colored plants. But they are really boneless marine animals with eyes that can breathe and gills that can see.
- A new study compares the hunting habits of wild animals and humans. People, it turns out, are unlike any other predator on Earth.
- When treats are at stake, wolves outperformed dogs at opening a closed container. The dog’s relationship with humans may explain why.
- Scientists had thought that hummingbird tongues work through capillary action. A new study, though, concludes they work like little pumps.
- It’s a myth that boa constrictors kill by suffocation. A new study shows the snakes actually squeeze off blood flow, stopping the hearts of their prey.
- Roosters know their places in the chicken world. Lower-ranking birds defer to the guy at the top of the pecking order. And they show it by holding their crows until after he greets the new day.
- The unique shape of a seahorse tail provides strength, and it may also help the fish to grasp objects.
- The opah is the fish closest to the whole-body warm-bloodedness typical of mammals and birds. This trait may give the species an edge in the ocean’s cold depths.