. D. They might not have muscles in their necks.     3. Why does Mindy have a thicker skull?3. Why does Mindy have a thicker skull?3. Why does Mindy have a thicker skull?3 ……

Starfish have no brains. ……

Starfish don’t have brains or bones. ……

Page IPage IPage 5Page 5I. 1. On Dec 7. ……

. bdC. ad D. bdC. adD. bd    3. Why did the scientists scan the brains of children and adults three times? 3. Why did the scientists scan the brains of children and adults three ……

it mean our brains are the “best”? Some animals might disagree. Their brains are different from ours... their brains. Pigeons have cells (细胞) in their brains that can sense geomagnetic fields (感应到地磁场). It’s like ……

Brains are more active sleeping than watching TV. ……

Starfish (海星) don’t have brains (脑). ……

, The Independent reported. Getting rid of unnecessary information can help our brains work better.In an environment that’s always changing, our brains may require us to remember less. For example, a supermarket ……

relationships alive. But have you ever wondered why our close friends are so similar to us? Well... found that friends have similar brains to one another, Scientific American reported.As part of a study ……

are the smartest animals on Earth. Many scientists agree (认同) with this idea. But does it mean our brains are the “best”? Some animals might disagree. Their brains are different from ours ……

reason for it. Young kids’ brains (大脑) pay more attention to their mothers’ voices (声音... as much as you used to? There may be a scientific reason for it. Young kids’ brains (大脑) pay more ……

;information can help our brains (大脑) work better.What kind of information is unnecessary... that is always changing, our brains may require (要求) us to remember less. For example, a  ……

. Getting rid of (除去) unnecessary information can help our brains work better.Scientists from.... Getting rid of (除去) unnecessary information can help our brains work better.Scientists from ……

experiences. But when asked to bring an emotional response to a halt, the girls' brains had to work harder.Both young and old were asked to watch a sad movie as their brains were being scanned. When ……