From DNA to Bluetooth

Issue 30

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1. If unwound and tied together, the strands of DNA in one cell would stretch almost six feet but would be only 50 trillionths of an inch wide. If all the DNA in your body was put end to end, it would reach to the sun and back over 600 times (100 trillion times six feet divided by 92 million miles).

2. DNA has a negative charge. That is mainly due to the presence of phosphate groups in nucleotides.

3. The Like feature was introduced by FriendFeed in Oct 2007, not by Facebook or Meta.

   

4. Bluetooth is named after Scandavian King Harald Bluetooth (910–85) who united Denmark and Norway, similar to how Bluetooth technology unifies the telecommunications and computing industries.