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This Is How Much it Actually Costs to Fly U S Military Aircraft

A new report from the Government Accountability Office outlines just how expensive it is to operate military aircraft.

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A Missile Just Struck Poland—Will It Invoke NATO Article 5?

This incident could lead Poland to retaliate or request greater help from the rest of the NATO alliance.

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Why Electric Vehicles Experience Reliability Growing Pains

Surveys show hybrid cars have the fewest problems.

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If We Build EV Batteries Like This, We Can Extend Their Lifespans

Tailoring charges to each lithium-ion cell’s capacity helps EV batteries last longer. Otherwise, the battery is only as strong as its weakest link.

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Scientists Used This Rooftop Garden Hack to Grow Bigger Plants

A new study finds that using carbon dioxide-rich exhaust from rooftop ventilation systems can help some plants grow up to four times larger.

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