World Topics

Expert judges that dinosaurs were warm-blooded

May 29, 2015

Expert judges that dinosaurs were warm-blooded

Dinosaurs were warm-blooded, according to a scientist who judged their metabolism using body mass and growth rates deduced from fossils of species including Tyrannosaurus rex. Paleontologist Michael D’Emic of Stony Brook University in New York took issue with the conclusion of other researchers last ...

More than four espressos a day can harm health: EU

May 28, 2015

More than four espressos a day can harm health: EU

Drinking the caffeine equivalent of more than four espressos a day is harmful to health, especially for minors and pregnant women, the EU food safety agency said on Wednesday. “It is the first time that the risks from caffeine from all dietary sources have ...

May 28, 2015

U.S. expands protection for streams, water supply

The U.S. Environmental Protection Agency unveiled expanded safeguards Wednesday for streams and wetlands that supply drinking water to more than 100 million people. The EPA said it had finalized rules to better ensure that U.S. water protection is “precisely defined and predictably determined.” Approximately ...