Four new elements are about to be added to the periodic table: nihonium (Nh, element 113), moscovium (Mc, element 115), tennessine (Ts, element 117), and oganesson (Og, element 118). New to the table. Most of them were first synthesized back in 2002 or 2003 (and all of them were theorizedRead More →
On November 3, 1977, The New York Times reported that scientists at the University of Illinois had discovered a form of life that predated higher organisms. These single-celled microorganisms came to be known, eventually, as Archaea. Where are archaea found? Archaea are commonly found in extreme environments, such as hotRead More →
Don’t Worry, It’s Fake! Hailee Steinfeld and her co-star Emile Hirsch work on a scene for their upcoming movie Ten Thousand Saints on Tuesday (February 4) in downtown New York City. The 17-year-old Oscar-nominated actress was seen smoking a cigarette on set, but don’t worry. Is Hailee Steinfeld rich? HaileeRead More →
Molecules of rRNA are synthesized in a specialized region of the cell nucleus called the nucleolus, which appears as a dense area within the nucleus and contains the genes that encode rRNA. When was the RNA structure discovered? Although RNA-rich structures called microsomal particles were identified in the cytoplasm inRead More →
1a : to move or proceed with an irregular rocking or staggering motion or unsteadily and clumsily from side to side. b : tremble, quaver. 2 : waver, vacillate. transitive verb. : to cause to wobble. How did Earth get its wobble? It is commonly believed that the Earth isRead More →
It wasn’t until the 1930s that supernovas were identified and explained, first by Walter Baade and Fritz Zwicky at Mount Wilson Observatory in California. It was later determined that Kepler’s star was a supernova, associated with the remnant SN1604, in the constellation Ophiuchus. Who Discovered 1987 supernova? SN 1987A wasRead More →
During the 1930s Arne Tiselius developed a method called electrophoresis, which makes use of this phenomenon to separate different substances from one another. When was gel electrophoresis first used? About 1930 the Swedish chemist Arne Tiselius introduced the use of electrophoresis as an analytic technique. Who is the father ofRead More →
The gibbon is the most critically endangered primate on Earth, with only about 30 left. When was the monkey first discovered? The first true primates evolved by 55 million years ago or a bit earlier, near the beginning of the Eocene Epoch. Their fossils have been found in North America,Read More →
The cerebellum originates from the dorsal portion of the hindbrain and its development can be summarized in four steps: organization of the cerebellar territory, establishment of cerebellar progenitors (GABAergic and glutamatergic ones), migration of the granule cells, and formation of the cerebellar nuclei and … Is the cerebellum the originRead More →
10 Things to Know About the Ionosphere It’s home to all the charged particles in Earth’s atmosphere. … The ionosphere is where Earth’s atmosphere meets space. … It changes — sometimes unpredictably. … It’s home to many of our satellites. … Disturbances there can disrupt signals. … It’s influenced byRead More →