Cancer cells are immortal because they circumvent failsafe mechanisms that stop out-of-control cell proliferation. One of these mechanisms ? the progressive shortening of chromosomes ? is prevented by replenishment of telomeres, the protective elements at the ends of chromosomes.
Ever since Darwin first published The Origin of the Species, scientists have been striving to identify a last universal common ancestor of all living species. Paleontological, biochemical, and genomic studies have produced conflicting versions of the evolutionary tree.
A short futuristic film by Eran May-raz and Daniel Lazo--their graduation project from Bezaleal academy of arts.
In light of the recent discovery of the very likely "God particle" I refer you to an excellent write up explaining what it is in layman's terms. It's written by my friend, Michael Park, who is currently a graduate student studying theoretical particle physics at Rutgers University. Enjoy!
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Albert Einstein?s revolutionary general theory of relativity describes gravity as a curvature in the fabric of spacetime. Mathematicians at University of California, Davis have come up with a new way to crinkle that fabric while pondering shockwaves.
A beautiful and colossal human sculpture is one of the latest cultural treasures unearthed by an international team at the Tayinat Archaeological Project (TAP) excavation site in southeastern Turkey. A large semi-circular column base, ornately decorated on one side, was also discovered.
An international team of researchers, including scientists from Wits University, have substantially increased the age at which we can trace the emergence of modern culture, all thanks to the San people of Africa.
Just grin and bear it! At some point, we have all probably heard or thought something like this when facing a tough situation. But is there any truth to this piece of advice? Feeling good usually makes us smile, but does it work the other way around?
A new view of the nucleus that unifies its liquid and molecule-like aspects has been put forward by a team from the Institut de Physique Nucléaire d?Orsay (Université Paris-Sud/CNRS) and from CEA (the French Atomic Energy Commission), in collaboration with the University of Zagreb.
Washington (AFP) July 30, 2012
A series of American flags that were planted on the moon during visits by Apollo astronauts some four decades ago are still standing, except for one, a NASA scientist has said. The missing flag was the one planted by the pioneering astronauts on the Apollo 11 mission in 1969 when the first humans - Americans Buzz Aldrin and Neil Armstrong - stepped foot on the moon. The details are con
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