Exquisitely preserved animal fossils now show up on three widely separated continents. The earliest are just as complex as those in the Burgess Shale.
As a tyranny, China is a Wild West of sorts for unethical science, with the government and its researchers answering to no one.
The dirtiest economies have tended to be Communist ones, such as the old Soviet Union and the People’s Republic of China.
Sometimes predictions are not only fulfilled but over-fulfilled.
Bioethicist Travis Rieder compares having a child to releasing a murderer from prison to kill again.