Tag Archives: evolution

Constant as the Northern Star

Some species struggle to adapt to climate change Change is afoot. Climate patterns across the globe are shifting as the planet steadily warms. That climate change is occurring is largely a settled issue in the scientific community. The debate has … Continue reading

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Birds of a Feather

As we learn in our earliest playground adventures, cheaters are out there trying to exploit the labor of others.  Cheaters want to prosper, and sometimes they do.  For every Bernard Madoff languishing in prison, there could be another languishing in … Continue reading

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Panda-monium

In their hilarious book The Animal Review: the Genius, Mediocrity, and Breathtaking Stupidity that is Nature, authors Jacob Lentz and Steve Nash assign grades to selected members of the animal kingdom. Great white sharks (“Nature’s perfect killing machines”) get an … Continue reading

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Destination Unknown

Life on Earth evolves (changes) in response to a variety natural forces.  These forces that can drive long-term evolution in species are numerous (and still being worked out by biologists).  For the record, the most well-known and controversial of them … Continue reading

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Shades of Beige, and Other Tales

Several items from my reading pile have piqued my interest this week.  Here are a few quick paragraphs for each:

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Sugar at Suppertime

Say “cat” to your average person on the street, and images of furry, purring, string-chasing pets should come to mind.  To a biologist, that same word may provoke this  question: “Do you mean the pet or the family?”  After all, … Continue reading

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Why Muller’s Ratchet?

In 1931, geneticist Hermann Joseph Muller gave a speech at a scientific conference in New Orleans, Louisiana. In his remarks, Dr. Muller proposed a theory to answer a long-standing and controversial question: why do so many organisms use sexual reproduction … Continue reading

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