Why can't people regenerate limbs like salamanders?

Imagine losing an arm and simply growing a new one. This amazing ability of regeneration isn't just something from a superhero movie—it actually happens in real life for some animals.

A 'reality check' for lab-grown human embryo models

University of Sydney researchers have developed a new way to test how closely lab-grown biological models resemble real human embryos, finding that while some models perform well, none yet fully capture the complexity of ...

Marine biologists discover new plankton off Oregon coast

Nearly every morning when she was a doctoral student in the College of Arts and Sciences (CAS), Nicole Nakata, Ph.D. '23 (biology), would cross the street from the Oregon Institute of Marine Biology (OIMB) in Charleston, ...

Why a food poisoning bacterium can cause severe wound infections

The toxin NheABC, produced by Bacillus cereus, is particularly active in the pH conditions found in open wounds. Researchers at Umeå University found that the toxin damages both cell membranes and mitochondria and helps the ...

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