In older stars that have burned most of their hydrogen, leftover helium accumulates.
Each helium nucleus has two protons and two neutrons.
age well, all 61 tattoos on the mummified Ötzi the Iceman have been mapped — and they still look pretty darn good, all things considered.
Anthropologists mapped the ink on the 5,300-year-remains using a new imaging technique, revealing previously-unknown tattoos.
Graphite is a good electrical conductor while diamond has a low electrical conductivity.
Under normal conditions, diamond, carbon nanotubes, and graphene have the highest thermal conductivities of all known materials.
It is the second most abundant element in the human body by mass (about 18.5%) after oxygen.
The physical properties of carbon vary widely with the allotropic form.
Carbon's abundance, its unique diversity of organic compounds, and its unusual ability to form polymers at the temperatures commonly encountered on Earth enables this element to serve as a common element of all known life.However, scientists from the Paleochronology Group, who perform research relating to “anomalies of science”, maintain that dinosaurs did not die out millions of years ago and that there is substantial evidence that they were still alive as recently as 23,000 years ago.Until recently, Carbon-14 dating was never used to test dinosaur bones, as the analysis is only reliable up to 55,000 years.Mr Miller told Ancient Origins that it is always desirable to carbon-14 date several fractions to minimize the possibility of errors which Miller requested and that essential concordance was achieved in the 1000's of years as with all bone fractions of ten other dinosaurs.Triceratops, a name meaning “three-horned face”, is a genus of herbivorous ceratopsid dinosaur that is said to have first appeared during the late Maastrichtian stage of the late Cretaceous period, about 68 million years ago in what is now North America, and became extinct in the Cretaceous–Paleogene extinction event 66 million years ago.