Gill examines plants encased in tar pits to reconstruct ice age ecosystem
For tens of thousands of years, the warm, sticky natural asphalt that occasionally bubbled to the Earth’s surface in the area now called Los Angeles was a death sentence for some ice age animals. Woolly mammoths, camels, rabbits, horses, bison, sloths, rodents, snails, turtles, birds and saber-toothed cats perished after becoming mired in the liquid […]
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