Scientists create stable, self-renewing neural stem cells

In a paper published in the April 25 early online edition of the Proceedings of the National Academy of Sciences, researchers at the University of California, San Diego School of Medicine, the Gladstone Institutes in San ...

Cleaning solar panels often not worth the cost, engineers find

Don't hire someone to wash your dirty solar panels. That's the conclusion of a study recently conducted by a team of engineers at the University of California, San Diego. Their findings were published in the July 25 online ...

New record set for cryptographic challenge

An international team of computer scientists has set a new record for integer factorization, one of the most important computational problems underlying the security of nearly all public-key cryptography currently used today.

Envelope for an artificial cell

(PhysOrg.com) -- Chemists have taken an important step in making artificial life forms from scratch. Using a novel chemical reaction, they have created self-assembling cell membranes, the structural envelopes that contain ...

How sperm unpack dad's genome so it can merge with mom's

A sperm enters an egg, an embryo develops and eventually a baby is born. But back up a second—how does the mother's half-genome actually merge with the father's half-genome to form one new human genome? Turns out researchers ...

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