Word: either
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Dates: during 2010-2019
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...field of biological aging has in recent years focused on the long molecules of DNA contained in human cells called chromosomes. All chromosomes have protective caps at either end called telomeres. Each time a cell replicates itself (as it does before it dies), the telomeres shorten, like plastic tips fraying on the end of shoelaces. Shortened telomeres have been linked to a host of age-related illnesses such as heart disease and certain cancers. (Scientists have yet to study whether telomeres influence a person's appearance.) Last year's Nobel Prize for Medicine was awarded to three American scientists...
...build a nationwide grid to support electric cars, composed of thousands of charging poles in towns and cities and service stations along highways where depleted batteries can be swapped for fresh ones on long trips. (They're called "switching stations.") This isn't pie-in-the-sky stuff, either - Better Place announced last week that it had raised $350 million to support the venture, one of the largest rounds of venture capital for a clean-tech company ever. (The company is also planning to build charging networks in Israel and Portugal, but its Danish project is a bit further along...
...than as binary possibilities. When he spoke at a New York City DSM conference last year, Harvard provost Dr. Steven Hyman, a former director of the National Institute of Mental Health, argued that most mental disorders cannot be seen as discrete all-or-nothing illnesses like leukemia (which you either have or don't). Rather, he said, they should be seen as "continuous with normal," less like leukemia and more like hypertension. Hyman seems to have won the battle here - in particular, social-interaction disorders like autism and Asperger's will now be defined along a single spectrum (autism spectrum...
...analyst Dominic Noel-Johnson. To meet Citigroup's relatively conservative 2011 gaming revenue estimate of $1.2 billion for Resorts World Sentosa - more than a third less than the consensus of other brokerage houses - every single foreign tourist expected to come to the island that year would have to visit either one of Singapore's two integrated resorts. In addition to that unlikely scenario, every adult 21 and over in Singaporean would have to go to one of the casinos five times a year, and every adult resident of neighboring Malaysian state Johor would have to go twice every year...
...than the heroic (and rebellious) image of a lone surfer eluding an awful pounding by nature at her nastiest. This year's contest is sponsored by, among others, a whiskey distiller, a telecommunications giant and a private-equity fund - enterprises that, on the surface, have little to do with either water or sports. Clark has since broken with the contest organizers, explaining to TIME, "I don't want to lose the whole reason why we surf. It's not for the paycheck. It's a way of life...