Science is dynamic. What was considered incontrovertible for decades can be overturned with a simple discovery or more research.

"But those who wait on the Lord
Shall renew their strength;
They shall mount up with wings like eagles,
They shall run and not be weary,
They shall walk and not faint."
Isaiah 40:31 NKJV

Did you know that about 50% of the oxygen in the air you breathe comes from plankton in our oceans? Specifically, microplankton is made up of tiny organisms that are a mixture of zooplankton (animals) and phytoplankton (photosynthetic creatures).

A fascinating discovery has been recently made regarding microplankton:

Radiocarbon dating seems like solid science. It appeals as a kind of time machine, providing a clear peephole to peer into the past. However, a new debate over ancient human footprints from New Mexico shows one way that this supposed peephole can get all fogged up.