A photographer went to South Georgia hoping to find a yellow penguin he saw three years ago. Instead, he found an even rarer ...

When he finally encountered the penguin, it stood apart with its entirely black feathers, a stark departure from the classic black-and-white plumage of most penguins. “Melanism is something that ...

An ultra-rare all-black penguin has been spotted on South Georgia Island, standing out among its more typical black-and-white buddies by bucking the tuxedo trend with an entirely black body.

A mutation is any detectable and heritable change in nucleotide sequence that causes a change in genotype and is transmitted to daughter cells and succeeding generations. Mutations in polyketide ...

Blood does more than just carry oxygen and nutrients. Its many “markers,” known as antigens, can trigger unexpected responses. Most folks have heard about the blood groups A, B, and O, and the Rh ...

For 30 years, researchers have known that Huntington's is caused by an inherited mutation in the Huntingtin (HTT) gene, but they didn't know how the mutation causes brain cell death. A study ...

Video: Broad Institute of MIT and Harvard At a glance: Study explains long-standing question of why Huntington’s disease symptoms typically do not appear until midlife even though patients are born ...

One of the earliest strains of bird flu isolated from a human in Texas shows a unique constellation of mutations that enable it to more easily replicate in human cells and cause more severe ...

Researchers in the group of Dr. Myriam Charpentier discovered a mutation in a gene in the legume Medicago truncatula that reprograms the signaling capacity of the plant so that it enhances ...

This means that the damage has multiple chances to generate harmful mutations, which can lead to cancer. While most known types of DNA damage are fixed by our cells' in-house DNA repair mechanisms ...

The Garvan team revealed that this is not the case -- rather, the critical trigger is mutations in 'rogue clone' B cells. "This discovery fundamentally changes our understanding of how infections ...

In early December 2024, a group of researchers published an article in the journal Science, entitled "A single mutation in bovine influenza H5N1 hemagglutinin switches specificity to human receptors".