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New book reveals Ice Age mariners from Europe were America’s first inhabitants
Some of the earliest humans to inhabit America came from Europe according to a new book "Across Atlantic Ice: The Origin of America's Clovis Culture." [...more]
Tag Archive | "National Museum of Natural History"
How do we know if dinosaurs cared for their young? Smithsonian curator Matthew Carrano reveals the fossil evidence.
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Evolution of earliest horses driven by climate change
Paleontologists studying an extreme short-term global warming event have discovered direct evidence about how mammals respond to rising temperatures. In a study that appeared recently in the journal Science researchers from eight institutions including the Smithsonian’s National Museum of Natural History found a correlation between temperature and body size in mammals by following the evolution [...] [...more]
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Boom and bust cycle of marine biodiversity every 60 million years linked to uplifting of continents
A mysterious cycle of booms and busts in marine biodiversity over the past 500 million years could be tied to a periodic uplifting of the world's continents, scientists report [...more]
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“Anastrepha conflua,” new fruit fly species
Anastrepha conflua, one of seven new fruit fly species of the genus Anastrepha Schiner described in a new paper by USDA entomologist Allen Norrbom, Systematic Entomology Laboratory of the Smithsonian’s National Museum of Natural History, and Cheslavo Korytkowski, University of Panama. This is the most diverse genus of fruit flies in the American tropics and [...] [...more]
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Male spider’s sexual organs work fastest only when a female breaks them off
In fact, researchers have learned, the detached male pedipalps transfer more sperm faster after copulation is ended by the female rather than the male. [...more]
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Caribbean box jellyfish now thriving in southern Florida
A box jellyfish from the Caribbean appears to have recently become established in the red mangroves of Florida near Boca Raton. [...more]
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New exhibition looks at fishes from the “Inside Out”
"X-Ray Vision: Fish Inside Out," is a new exhibition of striking x-rays that reveal the complex bone structure of fishes in the collections of the Smithsonian's National Museum of Natural History. [...more]
conservation biology, zoology Comments (0)
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Scientists from the Smithsonian Migratory Bird Center have found that fledgling catbirds living in the suburbs are extremely vulnerable. Almost 80 percent are killed by predators before they reach adulthood. Nearly half of the deaths are connected to domestic cats. The team studied catbird nests in 3 suburban neighborhoods in Maryland: Spring Park, Opal Daniels Park, and Bethesda. Learn more about this 2011 study by clicking here. (Catbird photo by Gerhard Hofmann)
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