evolution
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Your Dog’s Ice-Cold Nose May Be A Sensor For Detecting Heat At Distance
The amazing canine nose is more impressive than we thought, demonstrating the ability to detect weak infrared radiation from a distance, according to new research.
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These Crows Evolved Into A New Species, Boned The Old Species Too Much, Now Back Where They Started
Hundreds of thousands of years ago, a glacier advanced upon the Pacific Northwest, its ice forming a natural barrier that fractured crows into two populations. These populations began to diverge into two separate species, which ornithologists decided were distinguishable by small differences in body measurements and the sounds they made. At least, that’s what they…
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How Smart Were Our Ancestors? The Answer Isn’t In Brain Size, But Blood Flow
How did human intelligence evolve? Anthropologists have studied this question for decades by looking at tools found in archaeological digs, evidence of the use of fire and so on, and changes in brain size measured from fossil skulls.
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‘Walking Sharks’ Confirmed As The Newest Addition To The Shark Family Tree
Sharks have been around for a long time, emerging over 400 million years ago. New research shows that tropical ‘walking sharks’ appeared just 9 million years ago, making them the most recently evolved shark on the planet.