A groundbreaking genetic screening tool for human organoids

Many of the fundamental principles in biology and essentially all pathways regulating development were identified in so-called genetics screens. Originally pioneered in the fruit fly Drosophila and the nematode C. elegans, ...

Oversized fat droplets: Too much of a good thing

As the national waistline expands, so do pools of intra-cellular fat known as lipid droplets. Although most of us wish our lipid droplets would vanish, they represent a cellular paradox: on the one hand droplets play beneficial ...

An eye gene colors butterfly wings red

Red may mean STOP or I LOVE YOU! A red splash on a toxic butterfly's wing screams DON'T EAT ME! In nature, one toxic butterfly species may mimic the wing pattern of another toxic species in the area. By using the same signal, ...

Tiny roundworm points to big promise

Two related studies from Northwestern University offer new strategies for tackling the challenges of preventing and treating diseases of protein folding, such as Alzheimer's, Parkinson's and Huntington's diseases, amyotrophic ...

Cutting costs to the bone

A new and cheaper method for screening ancient bones to determine whether they contain DNA has been described in a PhD thesis by a conservator at the University of Stavanger's Archaeological Museum.

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