Science

Science

[:es]New genes control plant height, could lead to flood-proof crops[:]

Stature matters to plants. Short crops can carry more grain without bending under their own weight—a key trait that helped power the Green Revolution in the 1960s. But tall plants […]
Science

[:es]The pandemic virus is slowly mutating. But is it getting more dangerous?[:]

It’s only a tiny change. At some point early in the pandemic, one of the 30,000 letters in the genome of SARS-CoV-2 changed from an A to a G. Today, […]
Science

[:es]New method to edit cell’s ‘powerhouse’ DNA could help study variety of genetic diseases[:]

In a biological beating of swords into plowshares, researchers have converted a bacterial toxin into a genome editing tool that, for the first time, can make precise changes to DNA […]
Science

[:es]Underwater caves in Mexico preserve one of the world’s oldest ochre mines[:]

Crouching as she wound her way through a pinched underground corridor, a young woman grasped a torch in one hand, soot blackening the craggy ceiling above her. Guided by stacks […]
Science

[:es]Ancient DNA reveals a Bronze Age bias for male horses[:]

Myths about horses and gender abound. Many equestrians, for example, say they prefer “predictable” geldings over “moody” mares, despite no real difference in their behavior while ridden. Now, a new […]
Science

[:es]Pools in the Mexican desert are a window into Earth’s early life[:]

The landscape—more than 300 turquoise-blue pozas scattered across 800 square kilometers, among marshes and majestic mountains—wasn’t the only draw. The waters, whose chemistry resembled that of Earth’s ancient seas, teemed […]
Science

[:es]NASA’s new rover will collect martian rocks—and clues to planet’s ancient climate[:]

NASA’s newest Mars rover, Perseverance, is going back in time to the bottom of a vanished lake. If all goes well, in February 2021 it will land in Jezero crater […]
Science

[:es]The chicken first crossed the road in Southeast Asia, ‘landmark’ gene study finds[:]

It is the world’s most common farm animal as well as humanity’s largest single source of animal protein. Some 24 billion strong, it outnumbers all other birds by an order […]
Science

[:es]Alaskan megaeruption may have helped end the Roman Republic[:]

For ages, the shadow of a volcano has hung over the fall of the Roman Republic. Ancient historians told of the Sun’s mysterious disappearance after Julius Caesar’s murder in 44 […]