Scientists

In the past few weeks, scientists have been raising the alarm about new variants of the coronavirus that carry a handful of tiny mutations, some of which appear to make vaccines less effective.But it's not just these small genetic changes…

Rochelle Walensky, who was nominated as director of the Centers for Disease Control and Prevention, speaks after U.S. President-elect Joe Biden started his team dealing with the Covid-19 on December 8 at The Queen in Wilmington, Delaware.…

What Ms. Burkett and Ms. Miller experienced was not the norm. Many of the conditions that can increase a person's risk for severe Covid - obesity, heart disease, diabetes, smoking - are heavily influenced by the environment and behavior,…

In August 2012, Douglas Bastos, then a PhD student at the Brazilian Instituto Nacional de Pesquisas da Amazônia, was exploring a remote waterway in the Amazon rainforest when he came across a small lake full of electric eels.Electric eels,…

Other experts said this scenario is not only plausible, it is likely."I fully agree with the overall intellectual construct of the paper," said Shane Crotty, a virologist at the La Jolla Institute of Immunology in San Diego.If the vaccines…

Experten warnen davor, dass die Vereinigten Staaten ohne ein robustes System zur Identifizierung genetischer Variationen des Coronavirus schlecht gerüstet sind, um eine gefährliche neue Mutante aufzuspüren, und lassen die Gesundheitsbeamten…

With an average height of approximately 16 feet, giraffes are the tallest mammals on earth. About six feet long, their lanky legs and soaring necks are taller than most people. Even the shortest giraffe is twice the size of the average…

As governments around the world rush to vaccinate their citizens against the surging coronavirus, scientists are locked in a heated debate over a surprising question: Is it wisest to hold back the second doses everyone will need, or to give…

A more contagious form of the coronavirus has entered the United States.In the UK, where it was first identified, the new variant became the predominant form of the coronavirus in just three months, accelerating that nation's rise and…

"I would expect a similar trend," said Trevor Bedford, evolutionary biologist at the Fred Hutchinson Cancer Research Center in Seattle. The variant is currently likely to make up less than 1 percent of cases, but it could make up the…