smartphone navigation learning places navigation ability

Phone directions can make places harder to learn

Relying too much on smartphone navigation can weaken a person’s ability to learn the places they travel through. If the device is unavailable, they may be less able to find their way.

Tightly fitted stones helped Inca buildings survive earthquakes

Inca builders shaped stone blocks very carefully and fitted them together without mortar. The tight fit and slightly hollowed bottoms helped the buildings stay unusually stable during earthquakes and volcanic activity.

Being caught can trigger early births in sharks and rays

Capture while fishing can trigger premature birth or abortion in sharks and rays that carry live young. Fishers may mistake the result for a natural birth. The effect has been reported in 88 species, at least 12% of live-bearing shark and ray species.

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smartphone navigation learning places navigation ability

Phone directions can make places harder to learn

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