sit in the dark for a few minutes to let your eyes adjust. in near darkness, stare directly at an object and attempt to make out the details. now look at it using your peripheral vision (from the side). can you make it out more clearly? how does this relate to rods and cones? try this trick while stargazing and you'll see more!

What is the best piece of financial advice in regard to the various investment and financial opportunities advertised?

How many liters of 60% alcohol solution should be added to 40 liters of a 20% alcohol solution to make a 50% solution?

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