How Deep Is the Mariana Trench and What Have We Found in its …
Nov 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 Administration in 2010.. But this encompasses a seafloor that, similar to dry land ...
The Evolution of DNA Forensics and Its Impact on Solving Crimes
Oct 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 Ashworth ...
10 Scientific Discoveries That Changed The World
Jan 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 heliocentrism replaced the conventionally accepted Ptolemaic ...
10 Famous Scientists and Their Contributions - Discover Magazine
Oct 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.
A Complete Dinosaur Timeline to Extinction: How Long Did They …
Jun 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 recognized as the worst extinction ever to have occurred.
The Indian Ocean: A Maritime Trade Network History Nearly Forgot
Oct 19, 2016 · It creates a network." Indian Ocean trade never truly disappeared. Beginning in the 15th century, however, with the expansion of European exploration and China’s withdrawal from international affairs, the world’s economic focus shifted westward. In the centuries that followed, few researchers studied this early and extensive trade network.
20 Brilliant Quotes From Albert Einstein, the Theoretical Physicist …
Mar 14, 2023 · A solar eclipse in 1919 was the watershed moment for his career, when one of his general relativity predictions was confirmed by astronomer Sir Arthur Eddington. Einstein went on to win the Nobel Prize in Physics in 1921 for his explanation of the photoelectric effect — not for relativity, ironically.. Needless to say, Einstein didn't require much of an introduction to the American public by ...
Finally, an Accurate World Map That Doesn't Lie
Nov 29, 2022 · Robinson Projection. This attempt at creating a faithful world map took a similar tack to the Sinusoidal by pulling out the edges of the map to mimic a sphere. The Robinson isn’t as extreme, however, taking the form of a much more gentle oval. The map was an attempt at a compromise between distorting the areas of continents and the angles of ...
What Was Life Like on Pangea 250 Million Years Ago?
Sep 20, 2023 · Roughly 250 million years ago, Earth’s land masses lay together in one supercontinent known as Pangea. Surrounded by a single ocean, known as Panthalassa, it saw the rise of the dinosaurs. Pangea was roughly shaped like Pac-Man, with land reaching to both north and south poles and a chunk biting into the middle that contained the Tethys Sea ...
Neanderthal vs Homo Sapiens: How Are Neanderthals Different …
May 5, 2020 · Neanderthal vs Homo Sapiens. Something you might not notice, though it is a significant difference between us and Neanderthals, is the volume of their skull. Their brains were likely larger than ours, though it’s not known how that affected their cognition. Beyond physical differences, it’s difficult to say how Neanderthals differed from ...