World Focus: Why a human mission to Mars?
In his lecture, Levine noted, the United States is planning a human mission to Mars that may begin as early as 2035. The ...
Interesting Engineering on MSN3h
480-million-year-old sponge discovered in China built Earth’s first skeletal reef
The discovery of a 480-million-year-old sponge in China has revolutionized scientists’ understanding of early reef ecosystems ...