Latest Background extinction rate Stories
The gravity of the world’s current extinction rate becomes clearer upon knowing what it was before people came along. A new estimate finds that species die off as much as 1,000 times more frequently nowadays than they used to. That’s 10 times worse than the old estimate of 100 times.
North American freshwater fishes are going extinct at an alarming rate compared with other species.
New research shows that extinction events tend to "cluster" on evolutionary lineages, wiping out entire â€œchunks of lifeâ€ as related species with a common ancestor vanish together.
Global calamities like the one that doomed most dinosaurs forever alter the varieties of life found on Earth, but new research shows that it doesn't take a catastrophe to end entire lineages.
- an ornament or knob in the shape of a flower
- In architecture, a floral ornament; specifically, the large conventional flower usually placed in the center of the abacus of a Corinthian capital or classic ceiling-caisson; also, the floreated termination of a Gothic finial.