

@sciencegirl

How mortise-and-tenon joints were used to build ancient bridges without nails. 📹voltrex_44 [ 网页链接 ↗ ]
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The Great Gray Owl uses its exceptional hearing to hunt voles beneath the snow. [ 网页链接 ↗ ]

A teacher and his students built a 3 stage rocket from plastic bottles and powered by air. [ 网页链接 ↗ ]

the shapes of a birds’ beaks also tell us what they eat and how they survive [ 网页链接 ↗ ]

When mastery arrives, so does the realization that the mistake wasn’t yours. [ 网页链接 ↗ ]

There’s a mountain in southeast Turkey called mount Nemrut whose summit is famous for large sculptures erected around what is assumed to be a royal tomb from the 1st century BC. All built under the Commagene Kingdom by King Antiochus In 62 BC [ 网页链接 ↗ ]

Lanying Cliff Road, or the “Lanying Sky Road,” is a dramatic cliffside road in Lanying Grand Canyon, Chongqing, China. [ 网页链接 ↗ ]

This peregrine mom was patrolling her territory to provide a safe airspace for her newly fledged babies. [ 网页链接 ↗ ]