https://www.cnn.com/2021/04/22/world/mars-rover-oxygen-moxie-scn/index.html

https://www.ksl.com/article/50150903/lyrid-meteor-shower-peaks-april-22-heres-how-to-watch-the-night-predawn-sky

https://www.sciencealert.com/astronomers-have-detected-the-closest-black-hole-to-earth-and-it-s-really-tiny

https://amp.theguardian.com/science/2021/apr/22/russia-well-leave-international-space-station-and-build-our-own

https://www.cnn.com/2021/04/21/world/proxima-centauri-star-flare-scn-trnd/index.html

https://www.cnn.com/2021/04/20/world/t-rex-walked-slowly-study-scn/index.html

https://www.livescience.com/t-rex-slow-walker-tail.html

https://www.space.com/boeing-starliner-oft-2-test-launch-delayed-summer-2021

https://www.space.com/spacex-crew-2-astronaut-launch-final-review

https://scitechdaily.com/magicdna-tiny-complex-dna-robots-designed-in-minutes-instead-of-days/