Scientists call them toxins. But these bacterial proteins don't poison us, at least not directly.
Cell & Microbiology
Oct 26, 2015
0
56
Giants once roamed the earth. Oceans teemed with ninety-foot-long whales. Huge land animals—like truck-sized sloths and ten-ton mammoths—ate vast quantities of food, and, yes, deposited vast quantities of poop.
Ecology
Oct 26, 2015
2
1251
When the largest modern-day plant-eaters—elephants—are confined to too small an area, they devastate the vegetation. So 15,000 years ago, when the herbivores like the Columbian mammoth, mastodons and giant ground sloths ...
Ecology
Oct 26, 2015
0
74
Radiocarbon analysis of the decline and extinction of large mammals in the Americas lends support to the idea that hunting by humans led to the animals' demise—and backs the generally accepted understanding of when humans ...
Archaeology
Oct 26, 2015
1
788
University of Utah scientists deciphered maternal genetic material from two babies buried together at an Alaskan campsite 11,500 years ago. They found the infants had different mothers and were the northernmost known kin ...
Archaeology
Oct 26, 2015
4
1133
Large land animals such as elephants, wildebeest and other big plant-eaters are worth preserving in part because their disappearance could have permanent effects on the plants and animals they coexist with, according to an ...
Ecology
Oct 26, 2015
1
58
Two of China's largest online travel firms have agreed to a share swap and partnership deal to create the country's biggest Internet travel service, Bloomberg News reported Monday.
Business
Oct 26, 2015
0
29
Hunters in Florida over the weekend killed some 300 black bears as part of a controversial program allowing sportsmen to track and kill the animals, wildlife officials said Monday.
Ecology
Oct 26, 2015
0
50
Cyanide poisoning has killed 22 elephants in Zimbabwe's Hwange National Park, the Zimbabwe National Parks and Wildlife Management Authority said on Monday. This brings to 62 the number of elephants poisoned by poachers in ...
Ecology
Oct 26, 2015
0
33
NASA's New Horizons spacecraft has carried out the second in a series of four maneuvers propelling it toward an encounter with the ancient Kuiper Belt object 2014 MU69, a billion miles farther from the sun than Pluto.
Space Exploration
Oct 26, 2015
0
38
