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.

Scientists study the evolutionary origins of coronary arteries

Coronary arteries are a vital part of the human heart, providing it with oxygen-rich blood so that it can work. By comparing the hearts of mammals, birds, reptiles, fish and frogs, a multi-institutional team of researchers ...

Electric car revolution puts Native communities at risk

Conditions are ripe for an accelerated transition to electric vehicle (EV) use in the United States. The Biden-Harris administration has set a target that 50 percent of newly purchased cars in 2030 be electric. In addition, ...

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