Tag: Featured
Reading Time: 2 minutes How Are Tornadoes Classified? Since 2007, the United States has classified tornadoes using the Enhanced Fujita Scale, also called the EF Scale, which employs estimates …
Reading Time: 3 minutes Different types of birthmarks fall into two categories-pigmented birthmarks and vascular birthmarks. Pigmented birthmarks occur when you have more pigment on one part of your …
Reading Time: 2 minutes Does Mars Have a Magnetic Field? Mars does not have a significant magnetic field, though scientists believe it once did. In 1998, the Mars Global …