Search results
Results from the WOW.Com Content Network
More than 99 percent of all species, amounting to over five billion species, [7] that ever lived on Earth are estimated to be extinct. [8] [9] Estimates on the number of Earth's current species range from 10 million to 14 million, [10] of which about 1.2 million have been documented and over 86 percent have not yet been described. [11]
A May 2016 study based on scaling laws estimated that 1 trillion species (overwhelmingly microbes) are on Earth currently with only one-thousandth of one percent described, [28] [29] though this has been controversial and a 2019 study of varied environmental samples of 16S ribosomal RNA estimated that there exist 0.8-1.6 million species of ...
LD 350-1 is now considered the earliest known specimen of the genus Homo, dating to 2.75–2.8 Ma, found in the Ledi-Geraru site in the Afar Region of Ethiopia. It is currently unassigned to a species, and it is unclear if it represents the ancestor to H. habilis and H. rudolfensis, which are estimated to have evolved around 2.4 Ma. [36]
It took the crew two days of trekking through the jungle, carrying provisions and gear, to reach Vietnam's enormous Hang Son Doong cave.
The Bathysphere on display at the National Geographic museum in 2009. The Bathysphere (from Ancient Greek βαθύς (bathús) 'deep' and σφαῖρα (sphaîra) 'sphere') was a unique spherical deep-sea submersible which was unpowered and lowered into the ocean on a cable, and was used to conduct a series of dives off the coast of Bermuda from 1930 to 1934.
Justin Bieber, Darren Criss, John Legend and Tyler Blackburn are among the male stars who have donned their birthday suits in nude social media pictures.
Currently, 757 million humans live in the 101 largest cities; [40] these cities are home to 11% of the world's population. [40] By the end of the century, the world population is projected to grow, with estimates ranging from 6.9 billion to 13.1 billion; [ 40 ] the percentage of people living in the 101 largest cities is estimated to be 15% to 23%.
Some Men Left Behind: Why No One is Talking About the Male Exodus from the Workforce. ... while today that share is 23%. Although men still outnumber women as sole breadwinners, the percentage of ...