Rats have up to 70 whiskers on their faces, varying hugely in size and shape. Almost every mammal possesses whiskers, but these rodents are what we call â€œwhisker specialistsâ€, meaning they have super-sensitive, moveable hairs that they use to explore and sense their surroundings.
These days, it’s hard to know whom to trust online, and how to discern genuine content from fakery.
Using a computer powered by an off-the-shelf Intel Core i5-6600 processor, a FedEx employee from Tennessee has discovered the largest prime number known to humanity. At 23,249,425 digits long, it’s nearly a million digits longer than the previous record holder.