Search Results for: Dinosaurs
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1,961 results for: Dinosaurs
- Humans
From the October 25, 1930, issue
alt=”Click to view larger image”> STEAM ACCUMULATORS BOOST POWER IN BERLIN Six hundred tons of steam stored under 190-pounds-per-square-inch pressure in huge steel cylinders help Berliners ride the trams to and from work and burn lights in the early morning. These cylinders are the new steam accumulators at the Charlottenburg power station, which are attracting […]
By Science News - Paleontology
Mosasaurs were born at sea, not in safe harbors
Newly discovered fossils of prehistoric aquatic reptiles known as mosasaurs suggest that the creatures gave birth in midocean rather than in near-shore sanctuaries as previously suspected.
By Sid Perkins - Paleontology
Stegosaur tails packed a punch
A mathematical analysis of a fossil stegosaur's bones leaves little doubt that the creature's spike-studded tail was an effective defense against predators.
By Sid Perkins - Humans
From the May 24, 1930, issue
GRASSHOPPERS THREATEN UNITED STATES Grasshoppers threaten to wreak heavy damage to grain and forage crops in Montana and the Dakotas this year. There were many hoppers in these states, and in parts of Texas, last year, and the eggs they laid are now hatching in large numbers. If climatic and other conditions favor the growth […]
By Science News - Paleontology
Old Frilly Face: Triceratops’ relative fills fossil-record gap
Fossils of a creature the size of a Texas jackrabbit cast new light on the early evolution of a group of horned dinosaurs that include the 8-meter-long Triceratops.
By Sid Perkins - Science & Society
Science News of the Year 2003
A review of important scientific achievements reported in Science News during the year 2003.
By Science News -
18994
There is another mechanism besides muscle that gives energy to running and hopping animals. It enables such animals as kangaroos to run faster than their muscles alone can take them. What happens is the tendons act as springs that stretch and then snap back. There is no reason to think that a large and heavy […]
By Science News - Paleontology
Skimming the Surface: Flying reptile may have scooped its meals
Fossils unearthed in Brazil strengthen the idea that some species of ancient flying reptiles snatched their meals on the fly, snapping up fish as they swooped low over the water's surface.
By Sid Perkins - Humans
Science News of the Year 2003
A review of important scientific achievements reported in Science News during the year 2003.
By Science News - Paleontology
New fossil sheds light on dinosaurs’ diet
Vestiges of soft tissue preserved in a 70-million-year-old Mongolian fossil suggest that some dinosaurs could have strained small bits of food from the water and mud of streams and ponds, just like some modern aquatic birds do.
By Sid Perkins - Paleontology
No Olympian: Analysis hints T. rex ran slowly, if at all
Tyrannosaurus rex, a bipedal meat eater considered by many to be the most fearsome dinosaur of its day, may not have been the swift Jeep-chaser portrayed by Hollywood.
By Sid Perkins - Earth
Global Impact: Space object may have spread debris worldwide
Sediments laid down about 3.47 billion years ago in what are now western Australia and eastern South Africa contain remnants of what may have been an extraterrestrial-object impact large enough to disperse debris over the entire planet.
By Sid Perkins