Universe 25 Experiment | TS Digest | The Scientist
WEBMay 28, 2024 · Which scientist conducted the Universe 25 experiment? John B. Calhoun led the Universe 25 experiment, which examined the long-term effects of increasing population density and resulting social stressors on mice living in a constructed environment. 2. How many times was the Universe 25 experiment repeated?
What Does a Positive Covid Test Look Like? - The Scientist …
WEBMay 10, 2024 · ABOVE: A positive rapid test will yield two visible lines (middle) while a valid negative test will only show a single line in the control region (right) and an invalid test will show no control line (left). iStock, ASIFE V iral TikTok videos showing teenagers hacking rapid COVID-19 tests by inserting sodas and other acidic solutions into the tests’ inlet caused quite a stir in 2021 ...
Microbiology News, Articles | The Scientist Magazine®
WEBAug 27, 2024 · Nicholas Miliaras, PhD | Jul 12, 2024 | 4 min read. An essential nutrient and the gut flora, thought to have separate but important roles in the immune response, join forces. Page 1 of 79. The latest news and opinions in the field of Microbiology from The Scientist, the life science researcher’s most trusted source of information.
Kary Mullis, Inventor of the PCR Technique, Dies
WEBAug 11, 2019 · Learn about our editorial policies. Kary Mullis, whose invention of the polymerase chain reaction technique earned him the Nobel Prize in Chemistry in 1993, died of pneumonia on August 7, according to MyNewsLA.com. He was 74 years old. According to a 1998 profile in The Washington Post, Mullis was known as a …
Science News, Educational Articles, Expert Opinion | Page 2 - The …
WEBSynthetic Screens, Genes, and De Novo Proteins - A Special Podcast Series. The Scientist and Twist Bioscience | 2 min read. In this podcast series, scientists discuss the unique ways they employ synthesized DNA libraries in their research. Page 2 of 982. Your guide to the most essential developments in life sciences.
Modern Synthesis, 1937 - The Scientist Magazine®
WEBSep 1, 2019 · Modern Synthesis, 1937. Theodosius Dobzhansky’s work in population genetics influenced how genetics and natural selection were combined in evolutionary biology. When Charles Darwin published On the Origin of Species in 1859, he suggested that traits could be inherited, and that natural selection could …
An Introduction to Glycoproteins | The Scientist Magazine®
WEBJul 18, 2023 · Glycoproteins are a large and diverse group of proteins to which one or more sugar molecules, known as oligosaccharides, have been attached through covalent bonding. These diverse proteins have a wide range of functions, including roles in immune response activation, cell signaling, and disease processes. More …
The Mirror Test Peers Into the Workings of Animal Minds
WEBFeb 21, 2019 · The mark test was developed in 1970 by Gordon Gallup, an evolutionary psychologist at the University at Albany, State University of New York, who used it to study four chimpanzees and how their responses to a mirror changed over time.On its face, the mark test seems simple—give an animal a mirror and watch what it does. Then let the animal acclimate to the mirror and later see how it reacts ...
Lessons From the Michelson-Morley Experiment
WEBJul 12, 1987 · This year marks the centenary of one of the most important scientific experiments ever performed It was in Cleveland, Ohio in 1887 that Albert A. Michelson and Edward W Morley undertook a measurement that was a milestone in man's effort to understand the way in which light travels through space. Physicists regard this work as a crucial step in our journey toward an understanding of the very ...
Bacteria Put on an Invisibility Cloak to Cause Asymptomatic …
WEBAug 15, 2024 · These indicators signal others to keep a safe distance from the contagious individual. But Pseudomonas aeruginosa can cause a range of lung infections, from mild bronchitis to life-threatening pneumonia, that are acutely asymptomatic yet cause inflammation and destruction of tissue. 1. In chronic infections, these bacteria form a …