Tag Archives: sheds

Arctic Woolly Mammoth

Scientists have examined isotopes collected from the tusk of a woolly mammoth (Mammuthus primigenius) that lived in Alaska approximately 17,100 years ago, during the latest Ice Age, to elucidate its movements and diet; this included its time — likely with a herd — as an infant and juvenile, then as …

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Ancient Corn Domestication

The domestication of corn (Zea mays ssp. mays), a global food staple with great economic and cultural importance, began in southwestern Mexico 9,000 years ago and humans dispersed this important grain to South America by at least 7,000 years ago as a partial domesticate. South America served as a secondary …

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The Origin of Mammals

A new genus and species of mammaliaform that lived during the Triassic period has been identified from a partial jaw with teeth found on the eastern coast of Greenland. It represents the earliest known example of a dentary bone with double molariform roots and a crown with two rows of …

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Interstellar Gas Clouds

HL Tauri, a young star located 450 light-years away in the constellation of Taurus, is glowing at the center of an system of concentric protoplanetary rings and is producing planets, one for each gap in the ring. Worcester Polytechnic Institute mathematical physicist Dr. Mayer Humi believes HL Tauri provides an …

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Minoan Linear A Script

Minoan Linear A is still an undeciphered script mainly used on the island of Crete from 1700 to 1400 BCE. A new study published in the published in the Journal of Archaeological Science sheds light on one of the most enigmatic features of Linear A — the precise mathematical values …

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Great White Sharks

New Study Sheds Light on Diet of Juvenile Great White Sharks The diet of juvenile white sharks (Carcharodon carcharias) is about 32% mid-water fish, 17% bottom-dwelling fish, 5% reef fish, and 15% batoid fish such as stingrays; the remainder is unidentified fish or less abundant prey, according to new research …

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DNA Study Sheds Light on Evolution of Dog Breeds

Genetic material from 161 modern breeds helped a team of researchers at the National Human Genome Research Institute (NHGRI) of the National Institutes of Health assemble the most comprehensive evolutionary tree of dogs. The results are published in the journal Cell Reports. Representatives from each of the 23 clades of …

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Study Sheds New Light on Peopling of Tibet

A new analysis of Chusang, an archeological site on the high-altitude Tibetan Plateau, suggests that permanent residents may have set up camp thousands of years sooner than previously thought. These fossilized human footprints near Chusang, Tibet, were made between 13,000-7,400 years ago, according to a new analysis. Image credit: Mark …

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