Scientists have uncovered a surprising genetic shift that may explain how animals with backbones—from fish and frogs to ...

A duplicated gene evolved into a switch that determines sex in frogs, revealing how evolution can safely reshape critical ...

Early in development, many animals pick a team—male or female—based on their genetics, and, with time, acquire the ...

Every time she works in her garden, she’s visited by lizards and frogs. Shabnam has lived in the metro Atlanta area for decades, and she says this number of scaly, clammy visitors has exploded over ...

A far-reaching education bill that requires students to learn about “human embryological and fetal development,” mandates ...

During brain development, neurons extend long processes called axons. Axons link different areas of the brain and carry signals within it and to the rest of the body. Growing axons "wire up" the brain ...

Whenever Far South Coast recreational pilot David Stephens took to the sky, he would text his wife Lynda, saying, "look up". David tragically died after becoming disoriented while flying his beloved ...

Transposable elements are stretches of DNA that can move around the genome. Many of these DNA sequences originate from long ago, when viruses inserted their genetic material into our ancestors' ...

John Gurdon in 2012, on the day of his Nobel Prize announcement, with the framed report card from his Eton biology master that dismissed his scientific potential - Clara Molden Sir John Gurdon, the ...

Although embryonic stem cells (ESCs) have been successfully derived from mice and rats, efforts to establish chimeric and germline-competent ESC lines in species beyond rodents have been unsuccessful.

What do cells want to be when they grow up, and how do they get there? Intrigued by these questions, many developmental biologists try to follow the journeys of cells from when they can virtually ...