The Evolution of DNA Forensics and Its Impact on Solving Crimes
WEBOct 26, 2023 · DNA evidence was first used in the criminal case of Lynda Mann and Dawn Ashworth in 1986. The police approached Jeffreys's team, asking for help on a double rape and murder case of two teenagers from Narborough, just 5 miles southeast of his university. Though the crimes were two and a half years apart, 15-year-olds Lynda Mann and Dawn …
What Is the Scientific Mystery Behind the Bermuda Triangle?
WEBJan 4, 2024 · The Bermuda Triangle has been the site of a number of high-profile and still-mysterious naval and aviation disappearances. But that those disasters are the result of anything sinister, as opposed to the logical conjunction of environment and statistics, is extremely doubtful. Still, a number of people have proposed scientifically valid ...
Aqueducts: How Ancient Rome Brought Water to Its People
WEBOct 26, 2020 · The Roman aqueducts were a crowning technological achievement of the ancient world. Rome’s first aqueduct was built in 312 B.C., and many more would be built over the next five centuries. They didn’t invent the idea of using aqueducts to move millions of gallons of freshwater, though. The Assyrians, Greeks, Egyptians and more had all …
How Deep Is the Mariana Trench and What Have We Found in its …
WEBNov 29, 2023 · Some measurements in the Mariana Trench have charted depths exceeding 6.5 miles (or 36,000 feet) in the deepest spot, dubbed Challenger Deep. The average depth of the world’s oceans comes in around 12,000 feet, or 2.3 miles, according to a comprehensive research effort with the National Oceanic and Atmospheric …
A Complete Dinosaur Timeline to Extinction: How Long Did They …
WEBJun 21, 2023 · The dawn of dinosaurs began with the Permian mass extinction, also known as the Great Dying.This event, around 252 million years ago, killed more than 90 percent of life on Earth at the time. Scientists are unclear on what actually caused this mass die-off (warming temperatures and volcanic activity likely played a role) but it is widely …
Ice Ages: What Causes the Earth to Freeze Over Every Few Million …
WEBFeb 3, 2021 · Warming up, however, happens much faster. Changes in ocean currents are one of the reasons ice melts faster than it builds up. “If Earth’s orbit moves back into a configuration where the planet is receiving a lot of energy, the oceans start heating up, and the edges of the ice sheets begin to melt," explains Thomas.
10 Famous Scientists and Their Contributions - Discover Magazine
WEBOct 19, 2023 · Get to know the greatest scientists in the world. Learn how these famous scientists changed the world as we know it through their contributions and discoveries. By Gemma Tarlach, Nathaniel Scharping, Lacy Schley, Bill Andrews, Eric Betz, Carl Engelking, Elisa Neckar, Ashley Braun, and Mark Barna. Oct 19, 2023 1:45 PMOct 19, 2023 1:43 PM.
The Sahara Desert: Everything to Know About the Largest Desert …
WEBFeb 5, 2024 · The name Sahara itself comes from the Arabic word for desert. The English word desert comes from the Latin desertum, denoting a place that is forsaken, uninhabited or without people.In fact, the Sahara is far from uninhabited. The desert is located mainly in northern Africa, spread across 10 different countries (11 if you include Western Sahara, …
10 Scientific Discoveries That Changed The World
WEBJan 18, 2024 · Mathematician and astronomer Nicolaus Copernicus is often credited with proposing the first heliocentric model of the universe. In 1543, he published his great work, On the Revolutions of the Heavenly Spheres, which explained his theories. Among them was that day and night was created by the Earth spinning on its axis. Copernican …
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