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tag artificial selection disease medicine ecology

bacteria and DNA molecules on a purple background.
Engineering the Microbiome: CRISPR Leads the Way
Mariella Bodemeier Loayza Careaga, PhD | Mar 15, 2024 | 10+ min read
Scientists have genetically modified isolated microbes for decades. Now, using CRISPR, they intend to target entire microbiomes.
A rendering of a human brain in blue on a dark background with blue and white lines surrounding the brain to represent the construction of new connections in the brain.
Defying Dogma: Decentralized Translation in Neurons
Danielle Gerhard, PhD | Sep 8, 2023 | 10+ min read
To understand how memories are formed and maintained, neuroscientists travel far beyond the cell body in search of answers.
Weathering Hantavirus: Ecological Monitoring Provides Predictive Model
Steve Bunk | Jul 4, 1999 | 7 min read
Photo: Steve Bunk Dave Tinnin, field research associate in the University of New Mexico's biology department, takes blood samples and measurements of rodents caught on the research station grounds. At the end of a freeway exit near Soccoro, N.M., the hairpin turn onto a gravel road is marked by a sign that warns, "Wrong Way." But it isn't the wrong way if you want to reach the University of New Mexico's (UNM) long-term ecological research (LTER) station. The sign's subterfuge is the first indi
artificial intelligence image data learning
Artificial Intelligence Sees More in Microscopy than Humans Do
Jef Akst | May 1, 2019 | 8 min read
Deep learning approaches in development by big players in the tech industry can be used by biologists to extract more information from the images they create.
Illustration showing a puzzle piece of DNA being removed
Large Scientific Collaborations Aim to Complete Human Genome
Brianna Chrisman and Jordan Eizenga | Sep 1, 2022 | 10+ min read
Thirty years out from the start of the Human Genome Project, researchers have finally finished sequencing the full 3 billion bases of a person’s genetic code. But even a complete reference genome has its shortcomings.
masked teacher sitting on floor showing masked students something on a tablet
Does Science Support Lifting School Mask Mandates?
Rachael Moeller Gorman | Feb 28, 2022 | 10+ min read
The CDC has given the OK to lift indoor mask mandates in much of the US, and a growing number of states no longer require face coverings in schools. But most experts agree that masks slow school spread of SARS-CoV-2, and whether now is the right time to allow teachers and students to unmask is a matter of debate.
The Proteasome: A Powerful Target for Manipulating Protein Levels
John Hines and Craig M. Crews | May 1, 2017 | 10+ min read
The proteasome’s ability to target and degrade specific proteins is proving useful to researchers studying protein function or developing treatments for diseases.
An illustration of green bacteria floating above neutral-colored intestinal villi
The Inside Guide: The Gut Microbiome’s Role in Host Evolution
Catherine Offord | Jul 1, 2021 | 10+ min read
Bacteria that live in the digestive tracts of animals may influence the adaptive trajectories of their hosts.
Happenings
The Scientist Staff | Jul 12, 1987 | 7 min read
R. Palmer Beasley, known for his work that linked the hepatitis B virus to liver cancer, has been appointed dean of the University of Texas School of Public Health in Houston. Beasley is currently professor of medicine and head of the Division of Communicable Disease Epidemiology at the University of California at San Francisco. He is also director of the American University Medical Center in Taipei, Taiwan, a position he will continue to hold after his move to Houston. Mitchell Feigenbaum has
Notebook
The Scientist Staff | Nov 24, 1996 | 7 min read
STICKING POINT: Zebra mussels, here attached to a crayfish, can be real pests. Late last month President Bill Clinton signed the National Invasive Species Act, which will provide additional funds to combat a growing ecological and economic problem. Non-native freshwater and marine plants and animals from as far away as Asia are carried to North American estuaries like San Francisco Bay-where they sometimes gain a troublesome toehold-in ship ballast water. The act authorizes an average of $22

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