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Physics

Solar cells could get quantum boost

A quantum trick to merge atomic energy levels might boost the power of semiconductor lasers and improve the efficiency of solar panels.

Life

Genes may explain who gets sick from flu

People who stay well even after being exposed to the flu have a strong immune reaction to the virus, but in exactly the opposite way as those who get sick.

Health & Medicine

Body & Brain

Antibiotics fight breathing ailments, cat-loving rats and more in this week’s news.

Humans

Beneficial liaisons

DNA gift from our extinct cousins not only lives on in people today, but helps people today live on.