How wrasses use rocks as anvils

Some fish use rocks as anvils

A wrasse can dig up a shellfish, carry it several meters to a rock, and repeatedly smash the shell against the rock with movements of its head. Once the shell breaks, the fish eats what is inside.

M-Pesa brought digital payments to millions

Kenya’s mobile-banking service M-Pesa enabled people to make payments and other transactions by phone. It brought digital transactions to millions of people living in poverty.

China opened Silk Road routes partly in search of better horses

China's Han rulers expanded into Central Asia through war and diplomacy while also seeking valuable goods, including the prized horses of Ferghana. These efforts helped open lasting routes between China and the wider trade networks later called the Silk Road.

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How wrasses use rocks as anvils

Some fish use rocks as anvils

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