An ancient city found deep in a Central American rainforest yields a surprising discovery.

Many people are aware that our digestive tract is full of beneficial bacteria that not only help us process our food, but also support a strong immune system. Now, a new research study has just been published showing the importance of healthy bacteria in the respiratory system of our nose and upper sinuses.¹

On March 24, 2020, we ran a news article about how warmer weather appeared to hamper COVID-19 infections.¹ New evidence could indicate that high altitudes might limit the spread of the disease as well.

One particular common cuckoo will soon complete a mammoth migration through both Africa and Asia—a migration that is anything but common.

May and June are abuzz with busy bees, really clever bumblebees.^1,2 And their practical cleverness continues to astonish researchers, as a recently published study in the journal Science illustrates.^3,4