True Science Facts You Didn't Know... Until Now

[710001757]

1. The only letter that doesn't appear on the periodic table is J.
2. Water expands as it freezes
3. A lightning strike can reach a temperature of 30,000° C or 54,000° F
4. Mars is red because its surface contains a lot of rust
5. Hot water can actually freeze faster than cold water
6. Insects do sleep
7. Every human being shares 99% of their DNA with every other human
8. The world's latest butterfly has a wingspan of nearly a foot.
9. Grasshoppers have ears on their stomach
10. The human body contains enough carbon lead for 9,000 pencils