Why are rubies red and emeralds green? Their colors come from the same metal in their atomic structure
The colors of rubies and emeralds are so striking that they define shades of red and green—ruby red and emerald green. But ...
The Jerusalem Post Blogs25d
Archaeologists discovered a unique structure in the City of David
The team believes that the structure was in use until the 8th century BCE, the middle of the period when the Kings of Judah ruled. A scarab seal from the 8th century BCE uncovered during the ...
ScienceAlert27d
Scientists Found Signs of a Hidden Structure Inside Earth's Core
Earth's inner core may actually have two distinct layers. (alexlmx/Canva Pro) "We found evidence that may indicate a change in the structure of iron, which suggests perhaps two separate cooling events ...