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DURBAN, South Africa--Former entomologist Diarmid Campbell-Lendrum of the World Health Organization worries about nosebleeds more than the average person. That's because he's one of the estimated 12 million people worldwide afflicted with leishmaniasis --a potentially fatal parasitic disease characterized most often by lesions on the skin and/or mucus membranes--caused by the bite of a sandfly. [More]

The peaks of Peru's Cordillera Blanca are home to the densest array of tropical glaciers in the world. [More]

Large numbers of infants and toddlers have died from lead poisoning in Nigerian villages where their parents process gold ore inside their family compounds, according to a report published Tuesday by an international team of researchers. [More]

Spiciness is a chili pepper's best defense against seed-attacking microbes. But not all chilies are hot. Because producing that heat comes at a price

Material scientists admire spider silk for being lightweight and strong. Now another arthropod product is getting into the act--insect cuticle, the tough, flexible material in the insect exoskeleton. [More]

Women who live in low-income neighborhoods are more likely than their wealthier counterparts to get misinformation about emergency contraception from their local pharmacies, a new study finds.

Women who live in low-income neighborhoods are more likely than their wealthier counterparts to get misinformation about emergency contraception from their local pharmacies, a new study finds. [More]

Steven Austad , of the Barshop Institute for Longevity and Aging Studies, at the University of Texas Health Science Center at San Antonio, has applied the longevity quotient--which he developed--to many species, including those depicted here.

Steven Austad , of the Barshop Institute for Longevity and Aging Studies, at the University of Texas Health Science Center at San Antonio, has applied the longevity quotient--which he developed--to many species, including those depicted here.

As the body of North Korea's "dear leader" Kim Jong-il lies in state at his palace in Pyongyang, his youngest son Kim Jong-un takes control over the country's nuclear weapons program.

image courtesy of Wikimedia Commons/Opa Cigarette maker Philip Morris spent years studying whether additives, such as menthol, added to the toxicity of their smokes . And several published studies conducted by the company have claimed that the additives had no impact on the danger of their products

This time of year, goal-setting becomes a bit of a cliche. That's because we're doing it wrong. How our goals can help us learn who we are, and what we're capable of.

This time of year, goal-setting becomes a bit of a cliche.

When I wrote my end-of-the-year update for staff, Bora Zivkovic, our chief blogs editor, reminded me that others are also interested in the goings on at Scientific American . It’s never a good idea to say no to Bora.

Help researchers use bioinformatics to better study the origins of certain genetic diseases [More]