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A passenger in a white truck photographs several capybaras in a yard in a gated community in Tigre.

Rodents of Unusual Size Take Over Gated Community in Argentina

Weighing up to 175 pounds and growing to four feet in length, capybaras are reclaiming habitat that once was theirs in South America

Those currently eligible for a booster shot include older and high-risk recipients of the Pfizer and Moderna jabs, and those who received the one-shot Johnson & Johnson vaccine.

Mixing and Matching Covid-19 Vaccines Could Impact Immunity

Because public health officials aren’t recommending one booster shot over another, individuals are left to make a choice based on personal factors

The Food and Drug Administration And Centers for Disease Control and Prevention are likely to authorize the vaccine for young kids within the next few days.

FDA Panel Recommends Pfizer Vaccine for Children 5 to 11

The lower-dose vaccine was deemed safe and highly effective at preventing symptomatic Covid-19 infections in young children

Indri indri, a critically endangered species native to Madagascar, sings shrieking tunes to communicate with their social groups.

These Singing Lemurs Are the Only Other Mammal Species to Possess Rhythm

This discovery builds on the 'evolutionary tree' of how human musicality came to be

Poaching was amplified during Mozambique’s civil war between 1977 to 1992 to finance the war efforts. Elephant population numbers dropped from 2,500 individuals to around 200 in the early 2000s.  

Evotourism ®

Female Elephants Are Evolving Without Tusks in Mozambique

The genetic mutation causing tusklessness in females seems to be lethal in males

Kids given two low-dose versions of the Moderna vaccine a month apart showed antibody levels 1.5 times higher than those seen in young adults. 

Moderna Says Covid-19 Vaccine Is Safe and Effective for Kids 6 to 11

The trial of nearly 5,000 children showed a strong immune response from two low-dose shots

Each nest was found with eight to 30 eggs and in a relatively small area, suggesting that Mussaurus patagonicus raised its young in a communal breeding ground

Paleontologists Unearth the Oldest Evidence of Herd Behavior in Dinosaurs

Fossils found in an ancient nesting ground reveals that herd mentality is almost 200 million years old

Other actions that curbed the spread of the virus include vaccine education programs, vaccination events, lockdowns, curfew times, and rigorous sanitary measures.

Puerto Rico Has the Highest Covid-19 Vaccination Rate Among the United States and Its Territories

Mass vaccination events and compliance with restrictions to prevent the spread of the virus helped control community transmission rates

Since the country’s first booster shot was approved last month, some 11.6 million individuals have received the additional jab.

FDA Backs Moderna and J&J Boosters, Plus Mix-and-Match Strategy

Experts say fully vaccinated Americans are still well protected, but boosters could provide added immunity for millions

The modern horse overtook other equine lineages as it spread across Europe and Asia thousands of years ago.

Genetic Sequencing Pinpoints the Origins of the Domestic Horse

One lineage in southwestern Russia gave rise to all modern domestic horses, from sleek thoroughbreds to heavy-built Clydesdales

Using micro-CT scans, the team visualized the crab's body in 3-D and even imaged its mouthparts lined with fine hairs. It is unknown if the five-millimeter-long crab is a full-grown adult, a juvenile or a baby.

This Tiny Crustacean Trapped in Amber Tells a Different Story About Crab Evolution

The Cretaceous-era fossil suggests that crabs left the sea some 50 million years earlier than scientists previously thought

The volcano (not visible in this image) emerged near Mayotte Island (pictured), located between East Africa and Magagascar.

Underwater Eruption Off France's Mayotte Island Gave Rise to a New Colossal Seamount

The 2018 blast was the most significant active submarine eruption ever documented

The city’s Health Department informally acknowledged that racism was a public health crisis following the police murder of George Floyd in 2020.

Racism Is Declared a Public Health Crisis in New York City

The new resolution outlines steps toward a 'racially just recovery' from the Covid-19 pandemic for all New Yorkers

Africa could lose rare glaciers like Mount Kilimanjaro's Southern Ice Field within 20 years.

Africa's Last Rare Glaciers May Soon Disappear

The continent is especially vulnerable to the impacts of climate change, despite its population contributing little to the problem

Colombian wildlife officials hope to control a rather large invasive species—the hippo—with contraceptive drugs.

Officials Use Contraceptives to Control Pablo Escobar's 'Cocaine' Hippos

Smuggled into Colombia by the drug kingpin in the 1980s, the African mammal is now a growing environmental threat in the South American country

After comparing all genomes, the researchers found that the Japanese wolf is part of an evolutionary branch of wolves that arose 20,000 to 40,000 years ago. Some of the wolves from this branch evolved into the Japanese wolves while others branched off and gave rise to modern dogs.

Ancient Japanese Wolves May Be the Closest Wild Relative of Modern Dogs

The results challenge previous theories about the origin of dog domestication

More than half of koalas admitted to Australia Zoo Wildlife Hospital are sick with chlamydia. 

Australia Begins Vaccinating Hundreds of Koalas Against Chlamydia in New Trial

The infection affects at least half of koalas living in southeast Queensland and New South Wales

Higher temperatures lead to more severe droughts, wildfires and water shortages, and La Niña will likely exacerbate those issues in the coming months.

The Return of La Niña Spells Bad News for Drought Conditions in the American Southwest

This climatic change will likely prolong the region's devastating drought through 2022

While many white dwarfs are surrounded by the rocky debris of planets destroyed during their red giant phase, only a few have been found with planets intact.

This Jupiter-Like Planet Narrowly Survived the Death of Its Star

The discovery offers insight into what will happen to our solar system after the sun collapses

The device was developed by The Ocean Cleanup, a nonprofit that aims to remove 90 percent of floating ocean plastic by 2040.

This New Installation Pulled 20,000 Pounds of Plastic From the Great Pacific Garbage Patch

The trash collection device dubbed 'Jenny' could help address overwhelming marine plastic pollution

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