Testing Machines Inc. has just published a comprehensive new product catalog on its line of testing instruments for flexible and rigid plastics. The catalog also includes contacts for the company's extensive customer support team to assist buyers with selection, calibration, installation and service of TMI products.
Topics: Animals âº Fish âº Bull Sharks, Sharks, Distance & Length, Science. They've been reported 2,200 miles (3,700 km) upstream the Amazon River and as far up the Mississippi River as Illinois.
Photograph by Paul Nicklen, National Geographic. Six-gill sharks, like this one off the coast of Vancouver, cruise the ocean floor during the day, sometimes as deep as 8,200 feet (2,500 meters), then move toward the surface at night to feed.