Mar 31, 2017
Water is concrete's ultimate enemy. Although concrete withstands constant beatings from cars and trucks, water can break it down, pool on its surface and infiltrate the tiniest cracks. Add freezing and thawing cycles, and it's no wonder roads need frequent repairs.
2. Aug 21, 2018
Study: Length of opioid prescription spell highest risk for misuse after surgery
3. Aug 06, 2018
NASA Introduces First Batch Of Commercial Astronaut Crew
4. Jul 31, 2018
Pair of colliding stars spill radioactive molecules into space