Students ordered to wear masks in smog-hit Lahore

Authorities in Pakistan ordered schoolchildren in the smog-smothered city of Lahore to wear masks during lessons starting Thursday, an effort to protect against hazardous levels of polluted air.

Research group describes how cilia's motor works

Using cryo-electron tomography, researchers have uncovered details of how the dynein motor protein drives cilia to beat. Understanding this motion may help to tackle health problems that affect cilia, which range from fertility ...

Overharvesting threatens 'Himalayan Viagra' fungus: IUCN

A parasitic fungus that grows inside the ghost moth caterpillar and then kills its host by bursting through its head is itself threatened with extinction, the IUCN said Thursday, as demand surges for Chinese medicine's "Himalayan ...

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