Large-scale, federally funded study casts doubt on need for many heart procedures
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For people with severe but stable heart disease from clogged arteries, a procedure to improve blood flow may reduce chest pain more than just taking medication, but it won't cut patients' risk of having a heart attack or dying over the following few years.

Study: Dog owners have lower risk of death, repeat event following heart attack or stroke
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The findings of the study showed that dog owners who lived alone had a 33 percent lower risk of death compared to those who suffered a heart attack and lived alone without a dog.

Study notes troubling losses to insect and spider populations across Germany
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The study's findings reflect a growing global trend of plummeting insect numbers and suggest that the decline is happening more quickly and extensively than previously thought.

Photos reveal sharks circling unsuspecting beach-goers at Myrtle Beach
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A woman vacationing in Myrtle Beach, South Carolina, snapped some startling photos from her 15th floor hotel room of several sharks swimming in shallow water near unaware beach-goers below.