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Dinosaurs: Arrhinoceratops, the hornless dinosaur

Dinosaurs: Arrhinoceratops, the hornless dinosaur

Arrhinoceratops fileTranslation: «no horn on the nose» Description: Herbivore, quadruped Order: Ornithischia Suborder: MarginocephaliaInfraorder: CeratopsiaMicroorder: NeoceratopsiaFamily: CeratopsidaeHeight: 2.1 metersLength: 4.5 meters, Upper Cretaceous, Alberta, 25kg knows his skull, which was found partially crushed and slightly distorted, in addition to being without his lower jaws.

Polikarpov P-2

Polikarpov P-2

Polikarpov P-2 The Polikarpov P-2 was a unsuccessful transitional trainer largely based on the Moiseenko P-1 (2U-B3). This earlier aircraft was designed by V L Moiseenko, a designer working at GAZ No.1 in Moscow, in response to a February 1925 specification for a training aircraft to be used between basic training and conversion training onto combat aircraft.

John Winthrop

John Winthrop

Prof. Allison discusses John Winthrop's life and accomplishments. This course explores the history of Boston from the 1600’s to the present day. Learn about...

Gary Hart

Gary Hart

Biography of Gary Hart

North American O-47

North American O-47

North American O-47The North American O-47 was designed as a corps and division observation aircraft, but ended up serving as a trainer and target tug during the Second World War.The O-47 looked like a rather stubby version of the standard single engine light bombers of the period. It had a crew of three in an enclosed cockpit, with a glazed position in the base of the fuselage to give the observer a better view.

They find the gateway to the ancient city of Odeso in Bulgaria

They find the gateway to the ancient city of Odeso in Bulgaria

One of the gateways to the ancient city of Odeso, which was founded by the Milesians (from Miletus) in the early 6th century BC, was found during repairs in a public park in the Bulgarian city of Varna, Along with the entrance gate, which was the southwestern gate of the ancient city, one of the towers was found, explained archaeologists from the Varna Regional History Museum.