Uncategorized
- 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.
- 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.
- Chemistry
Dipping deeper into acid
New experiments reveal how a molecule of acid dissolves in water.
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Concerning the Apollo rocket’s third stage returning to Earth orbit: How did the researchers determine the source to be Apollo 12, since there were six other Apollo moon missions? Did they use some fancy orbital mechanics along with statistical probability? George RichesonBrenham, Texas Yes, they did, and the orbit matched.
