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 ...
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 …
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 Fall of the Aztec Empire: What Really Happened in the Battle …
WEBAug 13, 2021 · In 1521, Spanish Conquistador Hernán Cortés completed the invasion of Mexico’s most powerful empire. His glorified tale starts out with just a few hundred Spaniards landing near Veracruz on the Gulf of Mexico, and includes everything from the supposed betrayal of a Nahua women against her own people to the Spanish …
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 …
Why Did Darker and Lighter Human Skin Colors Evolve?
WEBJan 28, 2019 · From Light to Dark to Varied. A range of skin colors evolved at different times, in different populations, as human spread across the globe. In addition to these genetic biological changes, groups have also developed cultural adaptations to deal with variable sunlight. For instance, we can consume diets rich in folate and vitamin D.
What Is Paleontology, And What Does A Paleontologist Do?
WEBMar 30, 2023 · Vertebrate Paleontology: The study of the fossils of vertebrate animals, including salamanders, swallows and saber-toothed tigers, among others. Micropaleontology: The study of fossilized microorganisms. Paleobotany: The study of fossilized fungi and plants. Taphonomy: The study of the formation of fossils. Ichnology: …
The History of Swear Words: Where the &%@! Do They Come From?
WEBJun 14, 2023 · Swear Words in Ancient Rome. The history of swearing is filled with fascinating twists and turns. But, perhaps surprisingly, obscenity in Latin shares a few striking similarities with swearing today, with both drawing from taboos about sex and excrement. The sexual and cultural norms of ancient Rome, however, were markedly …
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 …