National Geographic News
Strange "Comet" May Be Asteroid Collision Debris
A newfound "comet" traveling in an unusual orbit may actually be fallout from the explosive collision of two asteroids, say astronomers who recently spotted the fuzzy, tailed object.
- 2 hits
Flashier Great Tits Produce Stronger Sperm
Male great tits with brighter breasts have stronger sperm, according to the first study to find a link between flashiness and sperm strength.
- 2 hits
Mammals "Rafted" to Madagascar, Climate Model Suggests
The ancestors of lemurs, fossa, and other Madagascar mammals got to the island aboard natural rafts, according to a new model of the ocean currents and prevailing winds that existed 50 million years ago.
- 2 hits
