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March 15, 2002 / 6:09 PM

Chemists trick Alzheimer's enzyme

LA JOLLA, Calif., March 15 (UPI) -- Chemists at the Scripps Research Institute in La Jolla said Friday they have tricked an enzyme essential in Alzheimer's disease into blocking its own debilitating action. A team led by Nobel laureate K. Barry Sharpless developed "click chemistry" to make a molecule that blocks neurotransmitter destruction, a key problem in Alzheimer's.

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Alzheimer's Disease

Research: Rising temperatures threatening bumblebee populations

Science News // 17 hours ago

Research: Rising temperatures threatening bumblebee populations

May 3 (UPI) -- New research from the University of Guelph said on Friday that temperatures are becoming too hot for bumblebees, threatening their role as plant pollinators and the food supply for humans and other animals.

Orangutan treats facial wound with medicinal plant

Science News // 19 hours ago

Orangutan treats facial wound with medicinal plant

Primates are capable of tending to wounds using medicinal plants, a new case report says.

China launches probe set to probe dark side of moon

Science News // 22 hours ago

China launches probe set to probe dark side of moon

May 3 (UPI) -- China hopes to return samples from the far side of the moon in a mission that started Friday with the unmanned rocket launch from the Wenchang Space Launch Center.

SpaceX successfully launches Maxar Intelligence next-gen satellites

Science News // 1 day ago

SpaceX successfully launches Maxar Intelligence next-gen satellites

May 2 (UPI) -- SpaceX successfully launched the Maxar 1 mission carrying two next-gen WorldView Legion satellites Thursday from Vandenberg Space Force Base in California.

NASA chooses 9 companies for Mars Exploration Program concept studies

Science News // 2 days ago

NASA chooses 9 companies for Mars Exploration Program concept studies

May 1 (UPI) -- Officials with the National Aeronautics and Space Administration will pay nine companies between $200,000 and $300,000 each to conduct a dozen tests to support future missions to Mars.

NASA prepping for mid-May Arctic Circle balloon flights

Science News // 3 days ago

NASA prepping for mid-May Arctic Circle balloon flights

April 30 (UPI) -- NASA is planning to launch its long-duration balloon campaign from Sweden to gather scientific data to assist with several projects starting in mid-May.

NASA announces new Stennis Space Center director

Science News // 4 days ago

NASA announces new Stennis Space Center director

April 29 (UPI) -- NASA named John Bailey as the space agency's new director of the Stennis Space Center in Mississippi on Monday, four months after he started serving as acting director.

Decaying El Nino created prime conditions for tornado outbreaks

Science News // 4 days ago

Decaying El Nino created prime conditions for tornado outbreaks

April 29 (UPI) -- Dozens of tornadoes hit the central U.S. Friday through Sunday, tearing through suburbs and small towns and damaging hundreds of homes from Oklahoma to Nebraska and Iowa.

SpaceX sends another batch of Internet satellites aloft

Science News // 5 days ago

SpaceX sends another batch of Internet satellites aloft

April 28 (UPI) -- Atop a million pounds of liquid propellant, SpaceX launched its next in a series of Falcon 9 rockets riding a column orange fire and exhaust from Florida on Sunday, rumbling out over the Gulf Coast.

SpaceX ties record with 20th Falcon 9 booster re-use in Galileo L12 launch

Science News // 5 days ago

SpaceX ties record with 20th Falcon 9 booster re-use in Galileo L12 launch

April 28 (UPI) -- SpaceX has tied its own record with the 20th use of a Falcon 9 booster with its latest and final mission, the launch of a European Union Galileo L12 navigation and positioning satellite.

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