Fermented foods have become popular in recent years, partly due to their perceived health benefits.

Honeybees in man-made hives may have been suffering the cold unnecessarily for over a century because commercial hive designs are based on erroneous science, my new research shows.

Hugh Gray was taking his usual post-church walk around Loch Ness in Scotland on a November Sunday in 1933. His amble was disrupted when he saw something bobbing above the water two or three feet from him. 

He quickly snapped several pictures of what he described to the Scottish Daily Record as “an object of considerable dimensions”.

In pursuit of the ambitious goal of reaching net-zero emissions, nations worldwide must expand their use of clean energy sources. In the case of solar energy, this change may already be upon us.

Is it possible for there to be ghosts? – Madelyn, age 11, Fort Lupton, Colorado

Certainly, lots of people believe in ghosts – a spirit left behind after someone who was alive has died.

In a 2021 poll of 1,000 American adults, 41% said they believe in ghosts, and 20% said they had personally experienced them. If they’re right, that’s more than 50 million spirit encounters in the U.S. alone.

Antiviral drugs are generally considered to be a 20th century invention. But recent research has uncovered an unexpected facet to your immune system: It can synthesize its own antiviral molecules in response to viral infections.

My laboratory studies a protein that makes these natural antiviral molecules. Far from a modern human invention, nature evolved cells to make their own “drugs” as the earliest defense against viruses.