Install
Please confirm you are human
This browser or connection looks automated. Press and continuously hold the control for 3 seconds to enable Google-hosted web results and, when separately allowed, AI-assisted answers.
A successful check enables 100 search requests. Interactive access does not authorize scraping, systematic collection, or reuse of search output.
Hold with a pointer, or hold Space or Enter.
News
3D X-ray imaging unlocks the secrets of the narwhal's spiral tusk
2+ week, 12+ hour ago (229+ words) In the Middle Ages, narwhal tusks were sold as unicorn horns blessed with magical powers such as neutralizing poisons and curing diseases â prized possessions of monarchs and nobles. Javascript is required to use this website. On today's 5 To Know:…...