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Wednesday, August 26, 2015

Sunspots 535

Things I have recently spotted that may be of interest to someone else:


Christianity: Relevant tells us that private communion shouldn't be a chore, and makes some suggestions to make it more interesting. They suggest communion through food, among other things.

Stephen L. Corey points out that God created, or at least allowed, people who are not exactly male or female.

Computing: Gizmo's Freeware on privacy (or not -- some leaks can be fixed) in Windows 10.

Education: National Public Radio reports on how public schools in the US are neglecting the smartest kids.

Science: National Public Radio reports on research linking our leanness, or lack thereof, to our gut bacteria.

NPR also reports on very low-frequency communication sounds made by elephants.

Wired reports that Pluto's atmosphere seems to be being renewed. Its gravity is too weak to hold it as well as the earth holds ours.

Wired also explains why water gets stale when left out overnight.

Wired also reports on an on-line database of mathematical sequences, and the man who has maintained this database for 50 years. (Examples: 1, 1, 2, 3, 5, 8, 13, 21, 34 . . ., the Fibonacci sequence, or 1, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29 . . ., the prime numbers.) There are many, many more of these sequences in the database.


Image source (public domain)

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