Word: massing
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Keller may be convinced, but others aren't. Sediment samples off the coasts of Senegal, Florida and Antarctica contradict her timeline, suggesting the mass extinction came right after the asteroid impact. "We've got beautiful sediments," says Brian Huber, a curator of paleontology at the Smithsonian Institution. "We have a continuous record of the event." Even 65 million years after the crime, the identity of the real perp is once again in dispute. And with eyewitnesses out of the question, the debate could go on for a while. India 65 million years ago and today...
...Mass extinctions 65 million years ago enabled larger mammals to take over the land. At the time, India was not yet part of the Asian landmass...
KRISTY VAN DEN HERIK, ARLINGTON, MASS...
...SMONGESKI, SHREWSBURY, MASS...
Harvey Fenigsohn, WORCESTER, MASS...