Search results
Results from the WOW.Com Content Network
The Lower Paleolithic period lasted over 3 million years, during which there many human-like species evolved including toward the end of this period, Homo sapiens.The original divergence between humans and chimpanzees occurred 13 (), however interbreeding continued until as recently as 4 Ma, with the first species clearly belonging to the human (and not chimpanzee) lineage being ...
From the first Apple computer to the COVID-19 vaccine, here are the most revolutionary inventions that were born in the U.S.A. in the past half-century.
The 20th century saw mathematics become a major profession. As in most areas of study, the explosion of knowledge in the scientific age has led to specialization: by the end of the century there were hundreds of specialized areas in mathematics and the Mathematics Subject Classification was dozens of pages long. [ 72 ]
This page was last edited on 22 November 2023, at 19:18 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
5. Play-Doh. Who: Kay Zufall, Brian, Joseph McVicker, Bill Rhodenbaugh When: 1956 . How it was created: The gooey toy kids have been playing with for decades began as a household cleaning product ...
2005 YouTube. Born from the PayPal Mafia in 2005, YouTube is the world's most popular video sharing site. In 2006, Google bought YouTube for $1.65 billion. 2006 Blu-ray Disc. A digital optical disc data storage format. It was designed to supersede the DVD format, and is capable of storing several hours of video in high-definition. 2007 Nanowire ...
2 Pre-20th century. 3 20th century. 4 21st century. ... 1999 – Discovery of ... 2010-Over the past two decades, a considerable focus has been directed toward ...
The 20th century changed the world in unprecedented ways. The World Wars sparked tension between countries and led to the creation of atomic bombs, the Cold War led to the Space Race and the creation of space-based rockets, and the World Wide Web was created.