Researchers devise sex-cell precursors with staying power

Human primordial germ cells (PGCs) are the early precursors of the eggs (oocytes) and sperm that are necessary to keep humankind alive and reproducing. Medical researchers attempt to study their function and development using ...

'Unassuming' enzyme opens way for new medical treatments

It sounds like a plot for a Cold War thriller—training a gene to infiltrate a cell and reside there, unnoticed, until an external self-destruct signal induces it to destroy its new home.

Stirring a superfluid with a laser

Scientists from the Graduate School of Engineering Science at Osaka University used optical tweezers for the first time inside superfluid helium. With a strongly focused beam of light, they demonstrated the stable trapping ...

Examining the neurotoxin from a black widow

Phobias are often irrational by nature—especially in the case of spiders, as these creatures are usually more afraid of humans than vice-versa. But: some species are a force to be reckoned with—for example, the Latrodectus ...

Zoo animals teach lessons about a healthy microbiome

For some years now, life science and medical research has focused on the question of how the microorganisms living in and on a body influence central life processes and thus health and disease of their host organisms. Scientists ...

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