science and technology 科技: Don't Screen For Thyroid Cancer, Task Force Says. There are diseases hidden in ice, and they are waking up

Many thyroid growths never develop into dangerous cancers, and overdiagnosis can lead people to have unnecessary surgery.

許多甲狀腺的成長, 永遠不會變成一個危險的癌症, 和overdiagnosis可以引導人們有不必要的手術.

A federal task force says the risks of screening outweigh benefits.

NPR.ORG

www.discovery.com/tv-shows/frozen.../vanishing-arctic-ice-cap/

自從冷戰開始以來，軍用潛艇一直在測量北極冰蓋。他們有什麼

ngm.nationalgeographic.com/2016/01/arctic-ice-shrinking-graphic-environment-text

由於衛星開始定期測量北極海洋冰在1979年，它在範圍和厚度急劇下降。......在北極灣將繼續凍結冬天，但它可能是冰免費夏天到2040年...在夏天結束北極海洋冰已縮小到了第四小...

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One recent anthrax outbreak was blamed on an infected reindeer, frozen for more than 75 years. via BBC Earth

最近一個炭疽暴發歸咎於一個受感染的馴鹿, 冷凍超過75年了. 轉自BBC Earth

Long-dormant bacteria and viruses, trapped in ice and permafrost for centuries, are reviving as Earth's climate warms

BBC.COM

science and technology 科技