Stranded

https://xkcd.com/2978/

Three Kinds of Research

https://xkcd.com/2977/

Time Traveler Causes of Death

https://xkcd.com/2976/

Classical Periodic Table

https://xkcd.com/2975/

Storage Tanks

https://xkcd.com/2974/

Ferris Wheels

https://xkcd.com/2973/

Helium Synthesis

https://xkcd.com/2972/

Celestial Event

https://xkcd.com/2971/

https://www.youtube.com/watch?v=FkUNHhVbQ1Q

Meteor Shower PSA

https://www.xkcd.com/2970/