More than 100 feet deep in Lake Huron, on a wide stoney ridge that 9,000 years ago was a land bridge, University of Michigan researchers have found the first archeological evidence of human activity preserved beneath the Great Lakes.
The researchers located what they believe to be caribou-hunting structures and camps used by the early hunters of the period.
"This is the first time we've identified structures like these on the lake bottom," said John O'Shea, curator of Great Lakes Archaeology in the Museum of Anthropology and professor in the Department of Anthropology. "Scientifically, it's important because the entire ancient landscape has been preserved and has not been modified by farming, or modern development."
According to research presented on Monday, June 8 at SLEEP 2009, in the presence of free access to food, sleep restricted subjects reported decrease in appetite, food cravings and food consumption; however, they gained weight over the course of the study. Thus, the finding suggests that energy intake exceeded energy expenditure during the sleep restriction
Results indicate that people whose sleep was restricted experienced an average weight gain of 1.31 kilograms over the 11 days of the study. Of the subjects with restricted sleep who reported a change in their appetite and food consumption, more than 70 percent said that it decreased by day 5 of the study. A group of well rested control subjects did not experience the weight gain.
Trains, planes, buses and automobiles are more than just exhaust, when it comes to the full scope of environmental damage. There is a full life-cycle of processes associated with getting from Point A to Point B that we have difficult quantifying but in an article published today in Environmental Research Letters, researchers from the Department of Civil and Environmental Engineering at the University of California, Berkeley, say they have created a framework to help us calculate the true environmental cost of travel.
Both boys and girls have issues but boys are getting a raw deal, according to Judith Kleinfeld, professor of psychology at the University of Alaska Fairbanks in the US.
It's commonplace to hear about gender-specific issues involving girls but when there are concerns about issues primarily affecting boys, responses tend to veer toward sexism. Issues impacting boys have been neglected by policy makers, she says. Her review of issues characterizing American boyhood, how they compare to those affecting girls, and the lack of initiatives in place to address them was published in the June issue of Springer's journal Gender Issues.
Activists tend to point to someone else's job and say it's for the good of the planet that it disappear. But everyone need to cut back, including climate scientists, says a researcher who, ironically, regularly flies north to study the health of caribou.
Scientists studying the impact of climate change on the Arctic need to consider ways to reduce their own carbon footprints, according to postdoctoral fellow Ryan Brook in the June issue of Arctic, the journal of the University of Calgary's Arctic Institute of North America. Brook calls on scientists to show leadership by examining and sharing ways to reduce the impact of working in polar regions.
If you live in California, Bakersfield is just a place where farming mega-corporations grow a lot of stuff. If you're remotely literate, you remember it as the 'Promised Land' the "Okies" left home for in The Grapes of Wrath. If you like pop culture, it is part of the Route 66 highway(1), which became famous in a song first sung by Nat King Cole(2).
But Bakersfield's rich central farmland was once the Temblor Sea, thanks to global warming, and the fossil remains tell a science tale.
Bubbles In Ice Could Be A Future Medium For Secret Codes
Nearly Complete Harbin Skull From 146,000 Years Ago Belongs To The Denisovan Lineage
Humans Have Always Adapted To Changing Climates - It's Why We Conquered The World
Social Media Addiction Behavior, Not Time, Is A Harbinger Of Young Mental Health
