Some people are skeptical of the notion that dinosaurs ever roamed the planet. Image Source / Getty Images Are dinosaurs real? Most people don't have to travel too far to answer that question in the affirmative with some kind of exhibit displaying dinosaur fossils. In addition to touring...
Humans, by comparison, boast a meager 5 million olfactory receptors [source: Correa]. Rescue dogs and other long-nosed breeds are able to identify people accurately even after a considerable passage of time, while hunting dogs can distinguish one variety of bird from another. Dogs also possess ...
“We know that losing big animals is ecologically problematic at these massive scales, but we don’t know the exact impacts of losing them. How long have we got to sort out those issues, and what could be done about them? “This is really a call to get people thinking about these prob...
New York, São Paulo, and Jakarta were not always bustling metropolises. In fact, for long parts of the history of civilization, it was unusual to find humans congregating in many of the present-day city locations we now think of as population centers. The human population has always moved...
and center. We know it wasn’t only Earth because we can see these impacts on other places in our solar system. Some scientists believe that water originated from the bombardment of comets at this time. In addition, there’s reason to believe that these collisions could have sparked thechemi...
Today, we unearth dinosaurfossilsof unfathomable size. And we live to tell stories about how extraordinary they were. These remarkable findings allow us to learn about the diverse array of dinosaurs that once roamed the planet. From massive, long-necked sauropods to swift and cunning predators li...
It's fair to say that there aren't very many species of crocodilians in the world, but that wasn't always the case. The crocodiles, alligators, and gharials of the world today are just a remnant of the hundreds of crocodilian species that once roamed the Earth. Some of these alligator ...
After a few billion years of evolution, the Earth's crust eventually cooled, humans eventually roamed the planet, learned to communicate... and eventually technology started to commence and thus eventually reaching February 2015 or Shevat 5775 depending on the calendar you use. ...
long-nosed breeds are able to identify people accurately even after a considerable passage of time, while hunting dogs can distinguish one variety of bird from another. Dogs also possess an acute sense of hearing. Their ears have an audible range up to 35,000 hertz, whereas humans max out ...
“It’s been (at least) 26,000 years since humans started to dye,” the author writes. “Your great grandparents (999 removed) were stirring a bubbling vat of dye… while woolly mammoths and saber-toothed cats roamed the earth.” Indeed, in 2009,scientists found fibers of dyed flaxup ...