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Observations

Observations

Opinion, arguments & analyses from guest experts and from the editors of Scientific American

Uganda embarks on bubonic plague prevention program

Uganda embarks on bubonic plague prevention program

As reports of bubonic plague in the Democratic Republic of Congo have filtered into neighboring Uganda, the Ugandan government is taking preemptive action, according to Uganda's Daily Monitor and reported by ProMED-mail.

September 28, 2009 — Katherine Harmon
Are <i>Torosaurus</I> and <I>Triceratops</I> one and the same?

Are Torosaurus and Triceratops one and the same?

A rare horned dinosaur known as Torosaurus may not be a distinct species, after all, according to a presentation given Friday at the annual meeting of the Society of Vertebrate Paleontology in Bristol, England.

September 28, 2009 — Kate Wong
<i>Surrogates</i>: A little too true to life

Surrogates: A little too true to life

When l was an astronomy teaching assistant in grad school, some of my students would look through the telescope eyepiece at Saturn, pull back as if they didn't know what to make of it, look again, and ask: “That’s really Saturn?

September 24, 2009 — George Musser
Observations blog replaces 60 Second Science news blogs

Observations blog replaces 60 Second Science news blogs

No, our past blog content does not stop here. You can page through more short items by going to our  60-Second Science blogs landing page. The 60-Second Science rubric now refers only to our minute-long podcasts.

September 24, 2009 — THE EDITORS
Caster Semenya and the issue of gender ambiguity

Caster Semenya and the issue of gender ambiguity

The controversy over South African athlete Caster Semenya's gender has given the public a view into the complexities of gender. At first blush, the issue should be fairly straightforward: a person is either a male (with an X and a Y chromosome) or a female (with two X chromosomes).

August 21, 2009 — Larry Greenemeier
Physicist Stephen Hawking hospitalized, "very ill"

Physicist Stephen Hawking hospitalized, "very ill"

Stephen Hawking, the physicist who brought cosmology to the masses with the best-seller A Brief History of Time, is "very ill" and has been taken to Addenbrooke's Hospital in Cambridge, England, according to the University of Cambridge.

April 20, 2009 — John Matson
GM, Segway roll out an electric scooter built for two

GM, Segway roll out an electric scooter built for two

Cash-strapped General Motors Corp., which is still mulling what to do with its failing gas-guzzling Hummer Division, today showed its greener side when it unveiled Project PUMA (Personal Urban Mobility and Accessibility), a compact, battery-operated two-wheeler for two that it's developing with Segway, Inc., maker of the upright electric  lawn mower–like vehicle that debuted in 2002.

April 7, 2009 — Larry Greenemeier
Could a big earthquake reduce Manhattan to rubble someday?

Could a big earthquake reduce Manhattan to rubble someday?

A new study from the Earth Institute at Columbia University says there’s more seismic activity around the Big Apple than previously thought. Researchers also say they discovered a new active fault line running from Stamford, Conn., 25 miles (40.2 kilometers) west toward the Hudson River.

August 22, 2008 — Adam Hadhazy

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