Tuesday, 19th June 2018
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By Bill Sones and Rich Sones, PhD

Q. If you were somehow able to choose the time of day you were going to be injured, what would be best?

A. during the day

B. at night

C. it makes no difference.

A. Research points to (A) as the answer, since "wounds seem to heal in half the time if sustained during daytime hours rather than at night," reports "New Scientist" magazine. Nathaniel Hoyle and his colleagues at the Laboratory of Molecular Biology in Cambridge, UK, discovered that genes in fibroblast skin cells switch on and off during day-night cycles and that these cells help close wounds once skin has been cut. The team found that, on average, "daytime wounds healed in 17 days, while similar burns sustained at night took 21 days ("Science Translational Medicine").

Q. What do the following four statements have in common:

The color red makes bulls angry.

The rust on a dirty nail causes tetanus.

Bananas grow on trees, and those trees can walk. Cockroaches can survive a nuclear apocalypse.

A. They are all common science myths, as reported in "How It Works: Book of Amazing Science."

1. Take those red capes, for example. While humans "can see light in red, green and blue wave lengths, bulls, like most other mammals, only have two-colored vision," rendering them red-green color blind. It

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