Speaking of species and their origins

An essay published in the June 8 issue of Nature is causing something of a stir. Eighteen ecologists who signed the essay, titled “Don’t judge species on their origins,” “argue that conservationists should assess organisms based on their impact on the local environment, rather than simply whether they’re native,” as described in a recent Scientific American podcast. In the essay, Mark Davis from Macalester College, St. Paul, Minnesota...

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Science in a “culture of news-grazers”

When was the last time you sat down after dinner to watch the local news? How about the last time you forwarded or received a link to a news story? Odds are, with the prevalence of social networking, blogs and email, you probably sent or received news in some form during your lunch break this afternoon. In fact, just by reading this post you are providing evidence that consumers tend to prefer cherry picking news throughout the day, rather than replenishing their news supply all at once.

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