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When the sun goes down, dung beetles rely on a galactic source--light from the Milky Way--to navigate, according to a recent report in Current Biology. Study co-author Eric Warrant, of Lund University in Sweden, explains how dung beetles see the starry night sky.

The Canadian mint stops distributing pennies on Monday. Canada stopped making one-cent coins last year to cut costs, since each penny cost 1.6 cents to make. Most stores will round out change to the nearest five cents.

Twitter was on fire during the Super Bowl, but the twitterverse really lit up when the lights went out at the Superdome. Someone created a Twitter account named "SuperBowlLights." Many people tweeted Beyonce must have caused the failure with her electric half-time show.

Three years of austerity measures are hitting ordinary Greeks hard. Unemployment is nearly 27 percent and rising, and the once dependable safety net of welfare benefits is being pulled in. Further cutbacks and tax hikes are about to kick in.

The indie-rock favorite's new album, Fade, demonstrates that the group is all grown up but not at all stuffy. The album's music and words add up to pure affirmation of life and living.

As Arab-Israeli tensions grew in the fall of 1973, the CIA offered its analysis to President Nixon's administration: War was highly unlikely. The agency kept making that case right up to the time the war began.

In her new book, Andrea Stuart explores the intersection of sugar, slavery, settlement, migration and survival in the Americas. Stuart's personal history was shaped by these forces — she is descended from a slave owner who had relations with an unknown slave.

After eating at Applebee's with a large group, St. Louis pastor Alois Bell — frustrated that gratuity was already included — wrote this comment on the receipt: "I give God 10%. Why do you get 18?" A sympathetic co-worker posted a picture of the receipt online, and it soon went viral.

By the time she was 24, Carpenter was already famous, having released more than a dozen hit records with her brother Richard. Her legacy remains a source of disagreement.

Many of them have cut out smoking, and rates of heart attack and emphysema have declined. But baby boomers are burdened with diabetes, hypertension and many other chronic conditions. Researchers say too little exercise and a rise in obesity threaten baby boomers' golden years.