This article contains affiliate links to products. Discover may receive a commission for purchases made through these links.You may be unconscious while you’re sleeping but your body is anything but idle. Depending on which stage of sleep you’re in, your brain and body could be very active. Your body goes through changes in respiration, brain activity, hormone production, and cardiac activity during sleep but one of the first changes to occur is a drop in body temperature. Body temperature ...read more
This article was originally published on Nov. 2, 2020.There are a number of religious objects that claim to be authentic pieces of history. Take the pieces of wood from Jesus’ cross, fragments of Muhammad’s beard or the Buddha’s
tooth, for example. Because it’s difficult to verify the authenticity of these objects, they’ve remained largely outside the purview of science. The one notable exception, however, is a sheet of cloth in Italy, known as the Shroud of Turin.The Shroud of TurinPe ...read more
NASA has selected the four astronauts that will travel to the Moon during the upcoming Artemis 2 mission, which will be humanity’s first crewed return to the Moon in more than 50 years.The four astronauts are: Reid Wiseman, Victor Glover, and Christina Koch of NASA, and Jeremy Hansen of the Canadian Space Agency.“The Artemis 2 crew represents thousands of people working tirelessly to bring us to the stars,” said NASA Administrator Bill Nelson before announcing the crew during a live event ...read more
The seeming existence of an “arrow of time” is one of the greatest unsolved mysteries of modern physics, so the short answer to the question is “we have no idea.” But sometimes, the journey is more fun than the destination.We remember our pasts, but our futures are unknown to us. Causes always lead to effects, and not the other way around. You can do some things with ease, like break an egg or burn a book, but you can’t do the reverse.Arrow of TimeThis phenomenon is called the “arrow ...read more
The Tyrannosaurus is typically depicted with its fearsome fangs on full display. But a paper published in Science states that the theropod dinosaurs, such as Tyrannosaurus rex, actually had thin, lizard-like lips that hid their sharp, serrated teeth.Tyrannosaurus rex bellowing with its mouth shut, like a vocalising alligator. With its mouth closed, all of the enormous teeth of T. rex would be invisible behind its lips. (Credit: Mark Witton)Theropod TeethThe paleontologists and paleoartists who ...read more
Author Vishay SinghPosted on Categories Discover Magazine
