Science News Roundup: Scientists find only 3% of land areas; Musk says as SpaceX wins $2.9 billion and more

Devdiscourse News Desk | Updated: 17-04-2021 10:51 IST | Created: 17-04-2021 10:28 IST
Science News Roundup: Scientists find only 3% of land areas; Musk says as SpaceX wins $2.9 billion and more
Representative Image Image Credit: ANI

Following is a summary of current science news briefs.

'NASA rules,' Musk says as SpaceX wins $2.9 billion moon lander contract

NASA awarded billionaire entrepreneur Elon Musk's space company SpaceX a $2.9 billion contract to build a spacecraft to bring astronauts to the moon as early as 2024, the agency said on Friday, picking it over Jeff Bezos' Blue Origin and defense contractor Dynetics Inc. Bezos and Musk - the world's first and third richest people respectively, according to Forbes - were competing to lead humankind's return to the moon for the first time sine 1972.

Scientists find only 3% of land areas unblemished by humans

Very little of today's world resembles Planet Earth from 500 years ago. In fact, only about 3% of land surfaces might be ecologically intact -- still home to their full range of native species and unblemished by human activity, according to new research. The finding -- published Thursday in the journal Frontiers in Forests and Global Change -- is far lower than previous estimates based on satellite images, which suggested around 20% to 40% of land ecosystems were undamaged.

Exclusive: New zinc-fortified wheat set for global expansion to combat malnutrition

Scientists at a leading global grains research institute expect to sharply ramp up new wheat varieties enriched with zinc that can boost the essential mineral for millions of poor people with deficient diets, the institute's head told Reuters. Martin Kropff, director general of the International Maize and Wheat Improvement Center (CIMMYT), said he expects the newly-developed high-zinc wheat to make up at least 80% of varieties distributed worldwide over the next ten years, up from about 9% currently.

'Like Godzilla, but actually real': study shows T. rex numbered 2.5 billion

If one Tyrannosaurus rex - the school bus-sized meat-eating dinosaur that stalked the Cretaceous Period landscape - seems impressive, how about 2.5 billion of them? Researchers on Thursday unveiled the first calculation of the total T. rex population during the estimated 2.4 million years that this fearsome species inhabited western North America during the twilight of the age of dinosaurs.

(With inputs from agencies.)


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