Grades 9-12

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Science Bulletin

Tuberculosis's Hidden Strategy

Tuberculosis can linger for years, but usually carries no symptoms. Scientists from the International Center for Genetic Engineering and Biotechnology in India suggest that this evasion tactic may involve stem cells.

Twitter Tracks Cholera Spread in Haiti

Science Bulletin

Twitter Tracks Cholera Spread in Haiti

In the early stages of an epidemic, access to information about emerging cases is critical for health care workers trying to control the spread of disease. A recent study analyzed data from Twitter to determine if posts to social networks could be useful in tracking contagion. Twitter updates from the first several months of a cholera epidemic in Haiti indicated a growth in cases that matched official reports. Data from informal sources show great potential as a complementary resource for the early containment of infectious diseases.
This latest Human Bulletin from the American Museum of Natural History's Science Bulletins program is on display in the Hall of Human Origins until June 8, 2012. 
Science Bulletins is a production of the National Center for Science Literacy, Education, and Technology (NCSLET), part of the Department of Education at the American Museum of Natural History. Find out more about Science Bulletins at http://www.amnh.org/sciencebulletins/.

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Science Bulletin

Wildlife Trade Presents Health Risks

A recent study provides the first evidence that global traffic in wildlife and wildlife products poses a significant health risk to humans. Analysis of illegal wildlife products confiscated at U.S. airports confirmed the presence of highly contagious diseases. The majority of emerging infectious diseases originate in wildlife, and contact with wildlife contributes to the spread of pathogens in human populations worldwide. With millions of live wild animals and wildlife products entering the United States each year, this study demonstrates the necessity of refining methods for identifying infectious diseases in wildlife.
Science Bulletins is a production of the National Center for Science Literacy, Education, and Technology (NCSLET), part of the Department of Education at the American Museum of Natural History. Find out more about Science Bulletins at http://www.amnh.org/sciencebulletins/.

El Nino to La Nina

Science Bulletin

El Niño to La Niña

Watch the 2010 El Niño switch quickly to a strong La Niña, and the resulting wild weather, in this data visualization by AMNH Science Bulletins. For background information, educational resources, and more, visit El Niño to La Niña on the Science Bulletins Web site:http://www.amnh.org/sciencebulletins/
Science Bulletins is a production of the National Center for Science Literacy, Education, and Technology (NCSLET), part of the Department of Education at the American Museum of Natural History. This visualization was produced with the support of the National Oceanic and Atmospheric Administration (NOAA).

Plant Ecology

Curriculum Materials

Plant Ecology

Go beyond the basics of field study—use math and science skills and dig in the dirt! Students learn how to count plants as part of a study of local biodiversity and  calculating biodiversity indexes. 

Bighorn Sheep

Curriculum Materials

Bighorn Sheep

Major highways that connect Los Angeles and Las Vegas run through major habitats of bighorn sheep. These highways allow travel between Los Angeles and Las Vegas in just four hours, but what do they mean for the sheep?

Scientist Profile: Dr. Clinton Epps

Video, Educator Guide

Scientist Profile: Dr. Clinton Epps

Video profile of Dr. Clinton Epps, who studies bighorn sheep populations.  Includes discussion questions about scientific practice and how scientists use DNA to study populations.

Winter Roads

Curriculum Materials

Winter Roads

In winter, salt is regularly applied to melt ice on roads in the Northeast. But road salt runoff drains into streams and drinking water. Scientists have been testing freshwater in three regions of the Northeast for thirty years. The salt buildup has made some urban, suburban, and rural streams 25 percent as salty as seawater.

Light: Its Secrets Revealed

Article

Light: Its Secrets Revealed

Did you know that when you look at a star, your eyes are capturing light that traveled all the way from the star to your eye? Learn more about how light carries information from distant objects.

Building a Spectroscope

Curriculum Materials

Building a Spectroscope

White light is a mixture of all colors of visible light, but it doesn't always include every color of the rainbow. Build a spectroscope, and view the spectral fingerprints of different light sources.

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