Do Humans Have Pheromones?
Online entrepreneurs may try to sell bottled human pheromones, but do these even exist? It's doubtful, according to this video.
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Video
How is Climate Change Affecting Hibernation?
When food and water are scarce, many animals—especially mammals—go into hibernation. Climate change is affecting how some animals hibernate, causing certain squirrels, chipmunks, and bears to emerge from hibernation either much sooner or much later than normal. This video shows how such changes could affect the survival of hibernating animals. Climate change could even cause animals that do not currently hibernate to start hibernating.
How is Climate Change Affecting Hibernation?
Video
Why Do Wasps Attack?
Why do wasps become more aggressive after you kill a hive member? The answer is the same reason as why you should be wary of bees that smell like bananas. This short video uses chemistry to explain that statement.
Why Do Wasps Attack?