Hacker News
- Did the Vikings use crystal ‘sunstones’ to discover America? https://theconversation.com/did-the-vikings-use-crystal-sunstones-to-discover-america-53836 32 comments
- Did the Vikings use crystal ‘sunstones’ to discover America? https://theconversation.com/did-the-vikings-use-crystal-sunstones-to-discover-america-53836 3 comments history
Linking pages
- Alien life is out there, but our theories are probably steering us away from it https://theconversation.com/alien-life-is-out-there-but-our-theories-are-probably-steering-us-away-from-it-124042 88 comments
- Alien life is out there. But our theories are steering us away from it. | Space https://www.space.com/why-no-alien-life-theories-bad.html 4 comments
- Alien life is out there, but our theories are probably steering us away from it https://www.universal-sci.com/headlines/2020/1/11/alien-life-is-out-there-but-our-theories-are-probably-steering-us-away-from-it 0 comments
Linked pages
- Polarised light and the super sense you didn't know you had https://theconversation.com/polarised-light-and-the-super-sense-you-didnt-know-you-had-44032 11 comments
- How Vikings navigated the world http://sciencenordic.com/how-vikings-navigated-world 3 comments
- Vinland - Wikipedia http://en.wikipedia.org/wiki/vinland 3 comments
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