Activity for Dibran Joe
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
Would an asteroid of similar size to the one that hit 65 million years ago cause humans to go extinct? Could humans sustain life after a k-t like extinction event? I know that a long lasting winter was a side effect then, but humans have technology to protect against cold. What other effects of an asteroid strike could humans potentially not recover from? (more) |
— | about 7 years ago |
| Question | — |
What advantage could a tortoise or turtle have with in developing a pangolin-like gait? What, if any, survival advantages could a testudine gain from evolving a bipedal stance, either permanently or temporarily? Essentially, is there a factor that would have to be introduced for this trait to evolve? (more) |
— | about 7 years ago |
| Question | — |
What non-arachnid animal would be capable of spinning a web? Spiders produce silk, a protein fibre able to construct webs and dens. But is there an existing animal (preferably a vertebrate) that would be able to evolve a similar ability of producing a silk-like fibre? (more) |
— | about 7 years ago |
| Question | — |
How could the earth produce more oxygen? After the extinction of all humans and most large animals, what would be the most plausible explanation for arthropods to grow much larger like during the Carboniferous period? Then, the oxygen was much more plentiful due to a lack of decomposing bacteria, but what could cause an increase of atmosph... (more) |
— | about 7 years ago |