Scientists are digging deep into the Earth’s surface collecting census data on the microbial denizens of the hardened rocks. What they’re finding is that, even miles deep and halfway across the globe, many of these communities are somehow quite similar.
The results, which were presented at the American Geophysical Union conference Dec. 8, suggest that these communities may be connected, said Matthew Schrenk, Michigan State University geomicrobiologist. (more…)
Interview mit Dr. Benjamin Bongardt, Leiter Ressourcenpolitik beim NABU
27. Dezember 2013 – Warum sind PET-Einwegflaschen und Dosen schlecht für die Umwelt? Die Hersteller von Einwegflaschen sagen doch, dass „null Müll“ anfällt, also Flaschen komplett recycelt und Dosen eingeschmolzen werden?
Die Umwelt profitiert nur dann, wenn wir die richtige Getränkeverpackungslösung auswählen und diese immer effizienter machen. Es ist durch das Dosenpfand zwar wirtschaftlich attraktiv, Einwegplastik und Dosen zu recyceln, mit aktivem Klima- und Umweltschutz hat das jedoch nicht viel zu tun. Jede Mehrwegflasche dagegen ersetzt bis zu 50 Einwegflaschen – und wird am Ende noch zusätzlich recycelt. Einweg steht daher für eine praktizierte Rohstoffverschwendung. (more…)
Forensic experts have long used the shape of a person’s skull to make positive identifications of human remains. But those findings may now be called into question, since a new study from North Carolina State University shows that there is not enough variation in skull shapes to make a positive ID.
“In a lot of cases, murder victims or the victims of disasters are from lower socioeconomic backgrounds and don’t have extensive dental records we can use to make a match,” says Dr. Ann Ross, a forensic expert and professor of anthropology at NC State who is senior author of a paper on the new study. “But those people may have been in car accidents or other incidents that led them to have their skulls X-rayed in emergency rooms or elsewhere. And those skull X-rays have often been used to make IDs. I’ve done it myself. (more…)
AUSTIN, Texas – A new study finds that in Texas, the U.S. state that annually generates the most electricity, the transition from coal to natural gas for electricity generation is saving water and making the state less vulnerable to drought.
Even though exploration for natural gas through hydraulic fracturing requires significant water consumption in Texas, the new consumption is easily offset by the overall water efficiencies of shifting electricity generation from coal to natural gas. The researchers estimate that water saved by shifting a power plant from coal to natural gas is 25 to 50 times as great as the amount of water used in hydraulic fracturing to extract the natural gas. Natural gas also enhances drought resilience by providing so-called peaking plants to complement increasing wind generation, which doesn’t consume water. (more…)
UCLA, McGill study also shows women fare worse than men in most countries
A new study by researchers at the UCLA Fielding School of Public Health and McGill University in Montreal reveals that the United States health care system ranks 22nd out of 27 high-income nations when analyzed for its efficiency of turning dollars spent into extending lives.
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University of Missouri researcher part of team that found the bone in Kenya
COLUMBIA, Mo. – Humans have a distinctive hand anatomy that allows them to make and use tools. Apes and other nonhuman primates do not have these distinctive anatomical features in their hands, and the point in time at which these features first appeared in human evolution is unknown. Now, a University of Missouri researcher and her international team of colleagues have found a new hand bone from a human ancestor who roamed the earth in East Africa approximately 1.42 million years ago. They suspect the bone belonged to the early human species, Homo erectus. The discovery of this bone is the earliest evidence of a modern human-like hand, indicating that this anatomical feature existed more than half a million years earlier than previously known. (more…)
Am 26. Dezember wäre der Grosse Steuermanns Mao Zedong 120 Jahre alt geworden. Mao ist umstritten und beliebt zugleich. Bis heute.
In Maos Geburtsort Shaoshan in der Provinz Hunan ist mit der ganz grossen Kelle angerichtet worden. Über zwei Milliarden Yuan – umgerechnet rund 300 Millionen Franken – gab man für verschiedene Erinnerungs-Projekte aus. Unter anderem wurde das Shaoshan-Mao-Museum, der dortige Mao-Platz oder Maos ehemaliges Wohnhaus zum 120. Geburtstag renoviert und herausgeputzt. Sowohl in Shaoshan als auch anderswo in China finden akademische Seminare, Gedenkfeiern, Kunstausstellungen, Sportveranstaltungen, Konzerte, Theateraufführubgen oder Postmarken-Ausgaben statt. (more…)
ANN ARBOR — An entrepreneur’s backstory plays a critical role in the success or failure of a fledgling venture, says Lianne Lefsrud, a postdoctoral fellow at the University of Michigan Ross School’s Erb Institute.
“Especially for entrepreneurs with limited financial resources, stories are a way to create resources if you can make sense of the world with your stories,” Lefsrud said. (more…)
