Cosmologists and astronomers have found a discrepancy in the Hubble constant from opposite ends of the universe. Is the Hubble constant in trouble? Learn more: http://scim.ag/2lUJ6BZ
Hubble Trouble: How fast is the universe expanding?
Related Blogs:
Diluting Acids
Categories: Gr 9-10 Science, Gr. 11-12 Chemistry, Safety
https://www.youtube.com/watch?v=xeA7DRarq6I Diluting acids to prepare a solution of a required concentration requires skill, training and common sense. Â This Flinn Scientific video offers good,... read more
Why whales grew to such monster sizes
Categories: Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology
https://youtu.be/lvdtRh9bfrE Scientists tackle the long-standing mystery of the evolutionary forces behind the ocean's behemoths. Learn more: http://www.sciencemag.org/news/2017/0... Greenland... read more
A Safer Alternative to the Rainbow Demonstration
Categories: Gr 9-10 Science, Gr. 11-12 Chemistry, Safety
While serious accidents causing catastrophic injury in high school science activities are rare, when they occur their human toll can be devastating. This post examines one potentially dangerous... read more
Thanks, I’ve just been looking for info about this topic for ages and yours is the best I’ve discovered so far. However, what about the bottom line? Are you positive about the source?
Hi. Thanks for your question.
Science magazine is a well-respected journal equivalent in stature, in my opinion, to Scientific American.