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Ancient Rome: a 12,000-year history of genetic flux, migrations and diversity

(University of Vienna) Scholars have been all over Rome for hundreds of years, but it still holds some secrets – for instance, relatively little is known about where the city’s denizens actually came from. Now, an international team led by Researchers from the University of Vienna, Stanford University and Sapienza University of Rome, is filling in the gaps with a genetic history that shows just how much the Eternal City’s populace mirrored its sometimes tumultuous history.

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Researchers lay out first genetic history of Rome

Despite extensive records of the history of Rome, little is known about the city’s population over time. A new genetic history of the Eternal City reveals a dynamic population shaped in part by political and historical events.

Mist over an Antarctic research station

A photo of mist above an Antarctic research station. Sunlight returned to this part of the world in August, after 4 months of continuous night. Now the station is getting ready for an influx of summer visitors.

Alarmist Flop: New Study Finds No Link Between Sea-Ice Loss And Cold Waves

Background: A good six years ago, Potsdam climate researcher Stefan Rahmstorf was outraged by the German Weather Service (DWD) at his at Klimalounge site. The DWD had the audacity to contradict Mr. Rahmstorf. Specifically, it was about the presumed connection between…

IPCC Report Ocean and Cryosphere in a Changing Climate

The IPCC has issued another special report: The Ocean and Cryosphere in a Changing Climate. How much carbon is there in the Arctic? [ click on images to enlarge ] How much carbon is present in the northern circumpolar permafrost…

11 alarming facts about sea-level rise

The ocean is coming for us. Global sea levels are now rising by 3.6 millimeters per year, up from an average rate of 1.4 mm per year last century. In just 80 years, the ocean could be more than 1…

The past, present and future of climate change – The Economist

IN THE EARLY 19th century Joseph Fourier, a French pioneer in the study of heat, showed that the atmosphere kept the Earth warmer than it would be if exposed directly to outer space. By 1860 John Tyndall, an Irish physicist,…

Did an asteroid collision cause an ice age on Earth?

Could a collision between 2 asteroids millions of miles away cause an ice age on Earth, some 460 million years ago? A new study of earthly rocks and sediments – plus micrometeorites that fell in Antarctica – suggest it’s possible.

Largest-ever ancient-DNA study illuminates millennia of South and Central Asian prehistory

Researchers analyzed the genomes of 524 never before-studied ancient people, including the first genome of an individual from the ancient Indus Valley Civilization. Insights answer longstanding questions about the origins of farming and the source of Indo-European languages in South and Central Asia. The study increases the worldwide total of published ancient genomes by some 25 percent.