actually

Some newly identified sites actually occur in the coding sequence of the gene that becomes an mRNA.

This sounds like sugar's keeping us fed, but added sugars are actually empty calories – they are bereft of any nutrients like vitamins or fibers.

Still, there has been little scientific understanding of how the brain consciously controls our breathing and whether this actually has a direct effect on our anxiety and emotional state.

"Some of the metrics we use now are not really sufficient whereas the '3-30-300' metric really demands that nature is brought to the areas that people actually live and work in," Weisser said.

"As we recently published in the journal PNAS, we can actually trace the male lineage of horses using the Y chromosome, which was something we could not do before," Cothran said.