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Why Roosters Have Wattles
Research suggests a rooster's wattle may help gain a hen's attention
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Picture of the Week—The Kappa Crucis Cluster, a.k.a. the "Jewel Box"
The Abbé Nicolas-Louis de Lacaille was the first to find this cluster of stars in 1751 while on an astronomical expedition to the Cape of Good Hope
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Vaccine Week: A Brief History and How Vaccines Work
Surprising Science discusses the history and science of vaccines
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Picture of the Week—Spiny Sowthistle
The spiny sowthistle (Sonchus asper) is a flowering plant that grows up to three feet tall and sprouts small yellow flowers
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