The 555 Timer IC was introduced by a company called Signetics (later bought out by Philips) in 1972 and was designed by Hans R. Camenzind in 1971. The 555 chip has 25 transistors, 15 resistors and 2…

The 555 Timer IC was introduced by a company called Signetics (later bought out by Philips) in 1972 and was designed by Hans R. Camenzind in 1971. The 555 chip has 25 transistors, 15 resistors and 2…

An analysis of data from the Framingham Offspring Study, which follows children of participants in the original Framingham Heart Study, may have answered a question that has been asked by doctors and…

HeLa cells, named after Henrietta Lacks, whose cells, which were cultured by George Otto Gey to create an immortal cell line for medical research, are the world's most commonly used human cell lines…

A study has documented detailed records of dinosaur egg fossils in the Coll de Nargó archaeological site in Lleida, Spain and found there are four. Up until now, only one type of dinosaur egg had…

Mohs surgery, developed in 1938 by Dr. Frederic E. Mohs, is the most effective technique for removing basal cell carcinoma and squamous cell carcinoma. It is a fairly common outpatient procedure…

As network carriers debate the next Ethernet standard, and whether transmission speeds of 400 gigabit per second or 1 terabit per second should be the norm, engineers are working on new ways to…

Unlike a cryptic phrase, a cryptic species in biology is outwardly indistinguishable - until you look inside their genes. Two University of Michigan marine biologists have identified three cryptic…

The bacterial foodborne pathogen Listeria monocytogenes is the causative agent of listeriosis, a debilitating disease linked with about 2,500 illnesses and more than 500 deaths in the U.S.A. each…

Carlo Rubbia discussed the prospects of constructing a muon collider to produce large amounts of Higgs bosons and study their properties in detail, crucially measuring the natural width of the…