Life between extinctions: cracking open the Cretaceous period

Earth during the Cretaceous period Credit: Ron Blakey One hundred million years ago, Earth experienced its first great peak in biodiversity. Flowers emerged and with them pollinators, dinosaurs towered over newly evolved mammals and marsupials, the steaming jungles were teeming with newly arrived ants and termites, and the oceans were filled with gigantic, air-breathing reptiles. This was life during the Cretaceous period, Earth...

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From the Community: Pika population sees a boost, birds not spreading West Nile and five women honored for their role as environmentalists

Pika are thriving in the Sierra Nevada region. Pika found to be flourishing in the Sierra Nevada region, bird migration patterns suggest mosquitoes are to blame for spreading West Nile and mice courtship rituals could shed light on autism. Here are news stories and studies on ecological science from the first week in March:    Pika populations perking up: At least in the Sierra Nevada and southwestern Great Basin where American...

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