Non-active site mutations such as L50F are crucial for restoring the viral fitness of SARS-CoV-2 main protease. Here, the authors use full-length Mpro protein as substrate and demonstrate that ...

Surgery is a procedure in which incision and physical manipulation are used to treat a patient with an injury or a disease. The patient's tissues are cut during this technique to permit the ...

In one of her last acts as the head of the Federal Communications Commission under President Joe Biden, Jessica Rosenworcel dismissed multiple efforts by activist groups to censor media companies ...

Malaria is a mosquito-borne disease that is caused by Plasmodium parasites. Patients with malaria experience flu-like symptoms and, in severe cases, the disease can progress to neurological ...

On Panama’s remote Pearl Islands, marine biologist Callie Veelenturf is using her research on endangered sea turtles to help the country enshrine the rights of nature into law — and help the ...

The change of seasons brings turmoil and tough choices to the three big cat families. An aging lion challenges younger rivals, cheetah cubs adjust to life on their own and a leopard mother must ba ...

Gene therapy involves the introduction of new genes into cells, to restore or add gene expression, for the purpose of treating disease. Most commonly a mutated gene is replaced with DNA encoding a ...

How do cities impact nature? In this video, Jeff Kass introduces the concept of urban sprawl and teaches us how to explore it through the ancient Japanese poetic form, haiku. Learn how to capture ...

Follow a team of scientists and filmmakers as they explore the lives of killer whales. In Antarctica, killer whales hunt using their intelligence and teamwork. Swimming together to create powerful ...

Sir David Attenborough takes us through London's world-famous Natural History Museum. Sir David Attenborough takes us on a journey through London's world-famous Natural History Museum, revealing ...

Biosensors are devices used to detect the presence or concentration of a biological analyte, such as a biomolecule, a biological structure or a microorganism. Biosensors consist of three parts: a ...

Biomaterials are those materials — be it natural or synthetic, alive or lifeless, and usually made of multiple components — that interact with biological systems. Biomaterials are often used ...