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Exploring the science of travel

  • Traveling expands our understanding of the world. It feeds the hungry soul — and according to science, also our brains.
  • Navigating something new and complex stimulates new brain cell development, a process called neuroplasticity, making our minds healthier and more resilient.
  • But researchers have suggested that genetics may also explain why some of us seem hardwired to roam.
  • They theorize that DRD4-7R, a variant of the gene that controls levels of dopamine in the brain, may have motivated our early ancestors to migrate and thus evolve due to the correlation between elevated dopamine and a propensity for taking risks.
  • For those of us lucky enough to have this “wanderlust gene,” the greater amount of dopamine washing through our brains may be the reason we would book a spontaneous trip to New Zealand on Expedia or feel compelled to cliff dive into the Adriatic Sea. Read more

In collaboration with Expedia

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hazlindaelina:El Born, Barcelona 

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lifepro-tips

The Fibonacci sequence can help you quickly convert between miles and kilometers

The Fibonacci sequence is a series of numbers where every new number is the sum of the two previous ones in the series.

1, 1, 2, 3, 5, 8, 13, 21, etc. The next number would be 13 + 21 = 34.

Here’s the thing: 5 mi = 8 km. 8 mi = 13 km. 13 mi = 21 km, and so on.

Edit: You can also do this with multiples of these numbers (e.g. 5*10 = 8*10, 50 mi = 80 km). If you’ve got an odd number that doesn’t fit in the sequence, you can also just round to the nearest Fibonacci number and compensate for this in the answer. E.g. 70 mi ≈ 80 mi. 80 mi = 130 km. Subtract a small value like 15 km to compensate for the rounding, and the end result is 115 km.

This works because the Fibonacci sequence increases following the golden ratio (1:1.618). The ratio between miles and km is 1:1.609, or very, very close to the golden ratio. Hence, the Fibonacci sequence provides very good approximations when converting between km and miles.

Source: reddit.com
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