The same technology used to detect weather systems and airborne phenomena is a major source of ornithological information, particularly during spring and fall bird migrations. Radars (Radio Detection and Ranging) are useful in studying the flight patterns, locations and densities of migratory birds — information that is otherwise difficult to observe, since many birds migrate …
As you read this, you are taking advantage of an invaluable communications tool that has its roots in ancient Mesopotamia 3000 years ago: the written word. But accepted therories on the origin of writing are in question since a 1998 discovery. At the time Reuters reported a German archaeologist’s Egyptian hieroglyphic find which gave rise …
Where to find Sixgill Shark Hornby Island is a rare and ideal spot for scuba divers to observe and study the placid sixgill shark up close. Sixgills are found in all of the world’s oceans, but in most locations, they live at depths reaching 2500 m (8000′), and hence are inaccessible to humans under most …
Natural History of the Sixgill Shark (Hexanchus griseus) Read More »
It is important with muscular strength work to breathe correctly. Always exhale as you squeeze the muscle (on the effort). The helps regulate blood pressure and is an essential technique to master in the early stages of training. Some of the exercises require added resistance. You can use hand weights, dumbells, food tins or resistance bands. …
Mistakenly perceived as a threat to humans, livestock and game animals, the panther was persecuted and hunted to near extinction by the mid-1950’s. The U.S. Department of the Interior listed the Florida Panther as endangered in 1967 and congress passed the endangered species act in 1973. As the human population expanded, panthers began to lose more …
Facts about Florida Panther – Puma concolor coryi Read More »
Nightlife does exist in Vienna. For the maximum pleasure in the city, check out our companion girls guide and find a beautiful temporary girlfriend for your stay in Vienna. Once i went to Vienna for an educational trip. Vienna, also described as Europe’s cultural capital, is a metropolis with unique charm, vibrancy and flair. It …
Nightlife Vienna: Enjoy your holiday in the very beautiful Vienna Read More »
People with autism show three types of symptoms: Problems with social interaction. Problems with verbal and nonverbal communication and imagination. Unusual or severely limited interests and activities. Autism affects between two and 10 of every 10,000 people, according to the National Institute of Neurological Disorders and Stroke. It strikes boys four times as often as …
Ronald Blakey at Northern Arizona University in Flagstaff. Blakey, a geologist, creates paleogeographic maps of Earth’s ancient landscapes. Ronald Blakey: I’m actually an artist. . . and so I understand colors and how colors blend and how you can overlay serveral colors or blend several colors together to get an effect and so forth. Now …
Stunning paleogeographic maps of Earth’s ancient landscapes Read More »
How old is the Earth? Scientists believe that the Earth is about four and a half billion years old. That’s pretty old — but not as old as the rest of the universe. Back in 1862, Lord Kelvin calculated how long Earth might have taken to cool from its original molten state. He concluded that …
How old is the Earth in contrast to the rest of the universe? Read More »
