4.8 • 606 Ratings
🗓️ 28 November 2021
⏱️ 11 minutes
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What's so special about the human brain?
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0:00.0 | What makes humans special? |
0:03.1 | These were the first words I sent into a microphone to all of you, nearly four years ago, |
0:10.0 | and it's a question I now ask myself every day. |
0:14.7 | I was raised to believe that the human animal is special because it has the biggest brain in the animal kingdom. |
0:21.3 | But after reading the work of individuals with more brains than me, |
0:25.0 | I now know this is simply not true. |
0:27.2 | For what it's worth, the sperm whale holds that title. |
0:30.8 | A sperm whale's brain takes up as much space as a bowling ball. |
0:35.5 | And in terms of weight, it is about seven times larger than yours. |
0:40.9 | So, unless you've got a somewhat big family, you could combine all the brains of everyone in your |
0:46.7 | household, and the sperm whale's side of the seesaw would still be grounded. In terms of size, |
0:53.9 | we are all iPhones to the sperm whales supercomputer. |
0:58.4 | Humans aren't even on the top 10 list of big-brained animals. In fact, there's a plethora of |
1:04.0 | species out there who beat us on this front. Many whales, dolphins, and elephants have larger brains |
1:10.1 | than we do. And you might be thinking, well, Macon, those are have larger brains than we do. |
1:15.2 | And you might be thinking, well, Macon, those are very big animals you just listed. |
1:18.7 | Pinocchio's nose would look normal on a big enough person. |
1:21.6 | What matters when we talk about size is ratios. |
1:26.6 | It's not that humans have the biggest brain, it's that we have the biggest brain for our body size, right? |
1:30.7 | Wrong. This is also not true. |
1:37.8 | Tree shrews, ants, small birds, they all have larger brain-to-body size ratios than we do. |
1:43.2 | Now, upon discovering that we don't have the biggest brains, and that we don't have the biggest brains for our body size, |
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