These words are categories, terms in which one separates the world into objects or things.

Mixed species foraging flocks of birds and other animals are common everywhere

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For diurnal animals, dawn and dusk are special times.

… and what does it have to do with a crow using a tool or the origin of life?

As humans, we live inside our little heads and we have this illusion that we are separate from the world and our bodies.

The inside of a biological cell is considered a gel.

Humans are excellent at seeing patterns and categorizing what they see. Some are only imagination, others form the basis of our science.

Whether consciousness or language in humans came first is an open question.

Reproduction is, of course, an important part of any animal’s life history, and mating success is a driving force in evolution.

Oumuamua is the first confirmed interstellar object.

The evolution of cooperation continues to be a major controversy in biology.

all of a sudden the little birds were gone and three large Mexican Blue Jays had landed in the trees

Some pictures from a trip to Cave Creek Canyon in SE Arizona in the middle of January of this year.

Acorn Woodpeckers are associated with regions containing multiple species of oak tree.

A dynamic system is a set of mathematical equations in which one or more variables change according to time.

I have been hearing the term “herd immunity” being bandied about in sometimes very dangerous ways.

Epidemics are as old as human cities, the first recorded mention is between 1200 BC and 800 BC in Babylon.

During the 1930s and 1940s a group of scientists tried to reconcile the newly rediscovered Mendelian genetics with Darwin's theory of...

Hexagons are everywhere in the natural world. Most people think of honeycomb when they think of hexagonal patterns .