Highlights

Archaeology

The new dimensions of Ur

Ur may have occupied an area up to eight times greater than previously estimated by archaeologists in the 1980s

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Paleontology

A giant tortoise

The largest freshwater turtle that ever existed, possibly the largest of all turtles, lived between 13.8 million and 5.3 million years ago in South America, inhabiting a larger area than previously thought

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Innovation

More agile drones

Engineers have developed a system that allows drones to detect and quickly avoid moving objects in the air

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Economy

Billion-dollar divorce

The joint venture announced two years ago between Embraer and Boeing has been canceled

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Archaeology

Primitive gardens in the Amazon

Evidence of cassava and pumpkin cultivation, dated at 10,350 and 10,250 years ago respectively, helped an international team of researchers to identify 4,700 artificial forests in the Llanos de Moxos region in Bolivia

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Preprints

Preprints and published articles

A study led by researchers from the Federal University of Rio de Janeiro compared preliminary scientific manuscripts shared on preprint repositories with their final versions published in scientific journals after peer review

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Geology

Rain awakens volcano in Hawaii

An abnormal volume of rainfall in early 2018 may have intensified the eruption of Kīlauea, a volcano in Hawaii, USA, in May of the same year.

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Biology

Why females live longer

The difference in lifespan between the two sexes, the researchers noted, is not due to different aging rates

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Data

Scientific publications on artificial intelligence1

The number of scientific articles on artificial intelligence (AI) published worldwide tripled

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Good practices

Mysterious and fraudulent authorship

The scientific journal Future Generation Computer Systems recently announced the retraction of a 2018 article

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Good practices

A keen eye for detecting manipulation

In an effort to improve the quality of the scientific articles it publishes, the Journal of Clinical Investigation began requiring that all authors provide the raw data produced by their experiments

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Good practices

The cost of ignoring sexual harassment

American university accused of protecting professor who harassed students agrees to pay US$9.4 million in damages

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Photolab

Working overtime to defeat Covid-19

Researcher create face shields using a 3D printer

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Careers

Rock ‘n’ roll spiders

Biologist honors musicians from famous bands in descriptions of new spider species

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Careers

Young leaders

Operating in a range of industries, junior enterprises are attempting to boost entrepreneurship in Brazil

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