Sidney johnson

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Joined
September 18, 2018
Last visited
October 24, 2018

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Why does a whale need such a big brain?

By Sidney johnson, October 24, 2018 in Ecology and the Environment
- 8 replies
- 2020 views
What makes an animal superior?

By Sidney johnson, September 19, 2018 in Ecology and the Environment
- 17 replies
- 2140 views
Rubix Cube Corner Flipping

By Sidney johnson, September 19, 2018 in Mathematics
- 0 replies
- 999 views
Have we prevented a 6th mass extinction?

By Sidney johnson, September 18, 2018 in Ecology and the Environment
- 0 replies
- 1068 views

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Topics posted by Sidney johnson

Why does a whale need such a big brain?

What makes an animal superior?

Rubix Cube Corner Flipping

Have we prevented a 6th mass extinction?

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