On:

Will there be a pill (or vaccination?) that everyone could take that would guarantee moral behavior?

Some people are altruistic, while others are not. Why do some people risk their lives to help others, when some won’t even bother to dial 911? When researchers there took two rats who shared a cage and trapped one of them in a tube that could be opened only from the outside, the free rat usually tried to open the door, eventually succeeding. But only 23 of 30 did this, meaning that rat responses in emergencies–like human responses–vary.
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On:

Engineers are working on a car that drives itself, but what may come first is a car that doesn’t let YOU drive when you’ve had too much to drink.

In 1982, about 49% of drivers killed in car wrecks had blood-alcohol levels of 0.08 or higher. By 1994, that percentage had dropped to about 33%, where it has stayed ever since.

The solution? Develop a car with a breathalyzer in the dashboard sot you have to breathe into it before the car will start (thus designated drivers will become "designated puffers," whose breath contains no alcohol. Alas, this may still allow the inebriated driver to actually drive).
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On:

Sometimes a little can cause a lot of problems: March’s unseasonably warm weather created a burst of pollen that brought this year’s allergy season weeks earlier than usual, and the worst may be yet to come. Pollen counts have been high, but several areas across the United States haven’t peaked yet. Pollen was so bad last week in Moscow that the sky turned GREEN.
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