Lewis Black on Evolution and Creationism
Category: Evolution
People and dinosaurs were adapted to chase down and kill any plants that tried to get away....
Posted by Greg Laden at 8:06 PM • 2 Comments • 0 TrackBacks
Greg Laden's Blog
Evolution, Life Sciences, Science Education, Human Evolution, and Stuff
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Evolution:
How do you explain evolution?
Category: Evolution
Many people claim it is easy to explain. I once heard a bunch of high school teachers at a conference patting each other on the back about how easy it is to understand evolution. And I remember thinking "OK, so this must be why none...
Posted by Greg Laden at 12:39 PM • 15 Comments • 0 TrackBacks
I need your help picking out a tee-shirt.
Category: Atheism
I would very much like your help in picking out a tee-shirt to wear around town. Let me tell you about the town, and you'll be able to make an appropriate suggestion....
Posted by Greg Laden at 11:00 AM • 52 Comments • 0 TrackBacks
"I reject the Darwinian assumption that larvae and their adults evolved from a single common ancestor"
Category: Evolution
What might have been a plausible idea in the 17th or 18th century is the starting point for a just published paper in PNAS....
Posted by Greg Laden at 11:32 AM • 4 Comments • 0 TrackBacks
Acting for the survival of the species (a falsehood)
Category: Falsehoods
As the mother cougar approached the flood and all hope seemed to diminish, the narrator said "The mother cougar, driven by an instinct to save her species, searched desperately for any sign of the third kitten, who represented the next generation of cougars."
Posted by Greg Laden at 12:59 PM • 16 Comments • 0 TrackBacks
The Modes of Natural Selection
Category: Evolution
There many ways of dividing up and categorizing Natural Selection. For example, there are the trichotomies of Natural Selection, Sexual Selection and Artificial Selection, and Modes of Selection (Stabilizing, Directional, and Disruptive) trichotomy. We sense that these are good because they are "threes" and "three"...
Posted by Greg Laden at 6:09 PM • 12 Comments • 0 TrackBacks
The Three Necessary and Sufficient Conditions of Natural Selection
Category: Natural Selection
Natural Selection is the key creative force in evolution. Natural selection, together with specific histories of populations (species) and adaptations, is responsible for the design of organisms. Most people have some idea of what Natural Selection is. However, it is easy to make conceptual errors...
Posted by Greg Laden at 5:09 PM • 28 Comments • 0 TrackBacks
Humans are no longer subject to Natural Selection (A falsehood)
Category: Falsehoods
Another look at falsehoods about evolution....
Posted by Greg Laden at 11:15 AM • 35 Comments • 0 TrackBacks
Falsehoods: Has evolution stopped for humans?
Category: Falsehoods
In my initial s.php">list of Falsehoods, I included these two closely related items: Evolution has stopped for humans; and Serious scientists often entertain the question: "Has evolution stopped for humans?" I'll make the distinction between them clear eventually. For now, let's focus on the first:...
Posted by Greg Laden at 11:55 AM • 34 Comments • 0 TrackBacks
The Falsehoods
Category: Falsehoods
Biology is harder to learn than quantum physics. Why? Because most people think they totally get biology, but everyone knows nobody gets quantum physics. Therefore, any effort to explore quantum physics will result in new learning, but people rarely learn new biology. The bottom line...
Posted by Greg Laden at 5:07 PM • 157 Comments • 0 TrackBacks
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