Posts Tagged ‘prehistoric Earth’
200 million-year-old self-segregation
BROWN (US) — Just like buying a house today, climate and location were major factors in where animals lived 200 million years ago. Continue…
Monday, May 16, 2011 10:21 - 0 Comments
Science & Technology - Oct 13, 2010 11:49 - 0 Comments
Wasps: Nesting with the dinosaurs
EMORY (US) — Fossil evidence suggests wasps were nesting with dinosaurs as long as 75 million years ago, a new study reports. (more…)
Earth & Environment - Aug 18, 2010 8:38 - 0 Comments
Glimpse of prehistoric Earth in Arctic rock
McGILL (CAN)—Geochemical evidence from volcanic rocks collected on Baffin Island in the Canadian Arctic suggests that a region of mantle beneath the Earth’s surface has largely escaped billions of years of melting and geological churning. (more…)
Science & Technology - Jun 30, 2010 14:54 - 5 Comments
10,000-year-old weapon unearthed in ice melt
U. COLORADO (US)—A melting ice patch high in the Rocky Mountains close to Yellowstone National Park has uncovered an atlatl—a spearlike hunting weapon lost in the snow ten millennia ago. (more…)
Earth & Environment - Jun 9, 2010 15:57 - 0 Comments
Pre-humans in Africa evolved to beat the heat
JOHNS HOPKINS (US)—In the Turkana Basin of Kenya the average daily temperature has reached the mid-90s or higher, year-round, for the past 4 million years, which may explain in part why pre-humans learned to walk upright, lost the fur that covered the bodies of their predecessors, and became able to sweat more. (more…)
Society & Culture - Apr 6, 2010 13:06 - 2 Comments
Prehistoric high society embraced city living
U. CHICAGO (US)—A prehistoric society that formed the foundation of urban life in the ancient Middle East spawned a social elite that engaged in trade with far-flung regions and used stone seals to mark ownership of goods—all before pack animals were domesticated or the invention of the wheel. (more…)
Earth & Environment - Nov 23, 2009 14:12 - 2 Comments
Life thrived in early Earth’s cooler temps
STANFORD/TEXAS A&M/YALE (US)—Billions of years ago, the Earth’s climate was far cooler—perhaps by more than 50 degrees than previously believed—which could mean conditions were more conducive for life all over the planet, new findings suggests. (more…)
