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Category: Animals, Environment, Science, South America

An illustration of species of frogs belonging to the Calyptocephalellidae family and toads of the Kuruleufenia genus, which both lived more than 70 million years ago and managed to survive the impact of the Chicxulub asteroid.  (University of Chile/Zenger)

Frogs And Toads From Over 70 Million Years Ago Are Almost Identical To Species Today

Reasons species survived the mass extinction event that wiped out the dinosaurs remain unclear. The post Frogs And Toads From Over 70...

In this image showing the intensity of oxygen-deficient zones, copper colors represent the lowest oxygen concentrations in the eastern Pacific Ocean, while deep teal indicates regions without low oxygen. (Jarek Kwiecinsky, Andrew Babbin, MIT)

Scientists Produce 3D Maps Of Oxygen-Deprived ‘Dead Zones’ In Pacific Ocean

Using 40 years of data, MIT researchers have mapped two of the largest oxygen-deficient zones in the world. The post Scientists Produce...

A mummy of the Ansilta people of the Andes Mountains had head lice that cemented nits to hair, encasing DNA that offers clues about human migration 1,500 to 2,000 years ago. (Courtesy San Juan National University, Argentina)

Nitty Gritty On Our Ancestors: How Scientists Are Recovering Human DNA From 2,000-Year-Old Head Lice

New study uses “Jurassic Park” techniques to examine human skin cells found in mummified creepy crawlies. The post Nitty Gritty On...

An artist's reconstruction of the appearance of the new species of armored dinosaur, Stegouros elengassen, found in the Rio de las Chinas valley in Chilean Patagonia. (Luis Perez Lopez/Zenger)

Dino-Sword: New Species Of Dinosaur With Vicious Sting In The Tail

Scientists unearth an armored beast that had a thrashing tale with a deadly, sharp-edged club on the end. The post Dino-Sword: New...

Chilean women march demanding their rights on International Women’s Day, March 8, 2021, in Santiago, Chile. (Photo by Marcelo Hernandez/Getty Images)

Women Face Systemic Inequality In Chile 

Credit is more expensive for women, despite claims of social progress.  The post Women Face Systemic Inequality In Chile  appeared...

A member of the FARC protects a road close to Bogotá, Sumapaz, Colombia, on March 7, 2002. The Peace Agreement with these guerilla fighters was signed on November 24, 2016, but Colombians have not forgotten the pain of years of kidnapping and rapes by the armed outfit formed in 1964. (Photo by Carlos Villalon/Getty Images)

FARC’s Kidnap Victims’ Wounds Are Still Open 5 Years After Peace Agreement

Rapes, forced conscription, disappearances, and other terrors left their mark on the victims of the Colombian rebel group.  The post...

Masks with the altered image of Brazilian President Jair Bosonaro are burned during a protest about government measures to handle the COVID-19 pandemic on Oct. 20, in Brasilia, Brazil. The country’s Senate is currently looking into the government’s role in mismanaging the response to the virus. (Photo by Andressa Anholete/Getty Images)

Social Unrest, Allegations Of Corruption Could Bring Down Presidents Of Argentina, Brazil And Chile

As the leaders face a drop in popularity, the people deal with serious social, economic and health issues.  The post Social Unrest,...

In an artist's concept featuring the shallows near the shore during the Cretaceous period (145-66 million years ago), Tetrapodophis amplectus glides through a tangle of branches from the conifer Duartenia araripensis, which has fallen into the water, sharing this habitat with a water bug from the Belostomatidae family and a small fish (Dastilbe sp.). (Julius Csotonyi)

Four-Legged Snake Fossil A Fake, Scientists Say

“Missing link" fossil is just a common 100 million-year-old marine lizard, study reveals.  The post Four-Legged Snake Fossil A Fake,...

Remains of the extinct megalodon shark, including these huge teeth, were recently found in the Atacama Desert in northern Chile. (CIAHN-ATACAMA/Zenger)

Some-Fin Scary: Giant Prehistoric Shark Teeth From 60-Foot Ocean Monster Unearthed In Desert

A single tooth from this fearsome megalodon predator is bigger than a man's hand.  The post Some-Fin Scary: Giant Prehistoric Shark...