Protein plays unexpected role in embryonic stem cells

What if you found out that pieces of your front door were occasionally flying off the door frame to carry out chores around the house? That's the kind of surprise scientists at the Salk Institute experienced with their recent ...

Worms' mental GPS helps them find food

You've misplaced your cell phone. You start by scanning where you remember leaving it: on your bureau. You check and double-check the bureau before expanding your search around and below the bureau. Eventually, you switch ...

Some stem cell methods closer to 'gold standard' than others

Researchers around the world have turned to stem cells, which have the potential to develop into any cell type in the body, for potential regenerative and disease therapeutics. Now, for the first time, researchers at the ...

Missing molecule in chemical production line discovered

It takes dozens of chemical reactions for a cell to make isoprenoids, a diverse class of molecules found in every type of living organism. Cholesterol, for example, an important component of the membranes of cells, is a large ...

The 'weakest link' in the aging proteome

Proteins are the chief actors in cells, carrying out the duties specified by information encoded in our genes. Most proteins live only two days or less, ensuring that those damaged by inevitable chemical modifications are ...

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