New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead ...

When it’s hotter, runners tend to slow down and tire more ... making them capable of resisting the flow of Earth’s mantle, called mantle convection. “After all, the LLSVPs must be able ...

Deuss likened the seismic waves to running. "If you run in dune sand ... to seismic waves when they pass through regions of the mantle around the LLSVPs. That part of the mantle is made of ...