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Science News Roundup: A scan of 10.3 million stars turns up no sign of aliens; Unique anatomy helps the African wild dog sustain its life on the run and more

More than 100 mammoth skeletons have been identified spread across nearly 200 excavation sites, along with a mix of other Ice Age mammals, in the area destined to become the Mexican capital's new commercial airport.

Devdiscourse News Desk | Updated: 10-09-2020 10:43 IST | Created: 10-09-2020 10:29 IST
Science News Roundup: A scan of 10.3 million stars turns up no sign of aliens; Unique anatomy helps the African wild dog sustain its life on the run and more
Representative image Image Credit: Wikipedia

Following is a summary of current science news briefs.

Unique anatomy helps the African wild dog sustain its life on the run

The African wild dog distinguishes itself from rival predators like lions and hyenas by using the unique hunting style of chasing prey over long distances until the target collapses from exhaustion, instead of relying upon speed, strength or stealth. A comprehensive new anatomical study of this endangered species, also known as the African painted dog or Cape hunting dog, has identified crucial evolutionary adaptations for endurance running in the animal's forelimb bones, muscles and ligaments that help sustain its life on the run.

A scan of 10.3 million stars turns up no sign of aliens - yet

Scientists have completed the broadest search to date for extraterrestrial civilizations by scanning roughly 10.3 million stars using a radio telescope in Australia, but have found nothing - not yet, at least. Seeking evidence of possible life beyond our solar system, the researchers are hunting for "technosignatures" such as communications signals that may originate from intelligent alien beings.

Mexican airport site emerges as major graveyard of Ice Age mammoths

Amid busy construction crews racing to build an airport in Mexico, scientists are unearthing more and more mammoth skeletons in what has quickly become one of the world's biggest concentrations of the now-extinct relative of modern elephants. More than 100 mammoth skeletons have been identified spread across nearly 200 excavation sites, along with a mix of other Ice Age mammals, in the area destined to become the Mexican capital's new commercial airport.


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