The Cool Down on MSN

Experts stunned after learning strange list of items that have held buildings strong for 2,000 years: 'It sustains itself'

Ensuring durability is also key, as global heating increases the threat of extreme weather events like hurricanes, storms, ...
YouTube on MSNOpinion

We solved Roman concrete #shorts #science #SciShow

Writer Heather Hess: Fact Checker Amy Peterson: Script Editor Madison Lynn: Videographer Faith Schmidt: Script Supervisor ...