Biology

Coronavirus (COVID-19) — The coronavirus responsible for the disease COVID-19 has spread from China to 75 countries worldwide. Harvard epidemiologist Marc Lipsitch estimates between 40% and 70% of the world population will be infected with coronavirus sometime this year. So, chances are good you or someone you know will catch coronavirus. How will […]

How to Know If You’re Infected With Coronavirus: Coronavirus Symptoms

This entry was posted on March 4, 2020 by Anne Helmenstine (updated on April 9, 2020)

Termites (Scott Bauer, USDA ARS) — Termites are social insects that eat wood and other plant matter. Completely by accident, people discovered termites follow ink trails made by the black or blue ink from Bic and Papermate ballpoint pens. While they will follow a path made by other pens (85% of black ballpoints and 80% of […]

Why Do Termites Follow Ink Trails?

This entry was posted on February 16, 2019 by Anne Helmenstine (updated on March 7, 2019)

Cell Biology Word Search — This cell biology word search is a great way to introduce cell biology glossary terms while enjoying a great word search puzzle.

Cell Biology Word Search

This entry was posted on February 14, 2019 by Todd Helmenstine (updated on February 14, 2019)

Life Science Word Search — Life science is another word for biology, the study of life and living things. This life science word search contains 30 life science glossary terms.

Life Science Word Search

This entry was posted on February 12, 2019 by Todd Helmenstine (updated on February 12, 2019)

Genetics Word Search — Genetics is the study of the process of heredity and its characteristics. Word searches are the process of finding hidden words in an array of letters. This is a fusion of these two disciplines in the form of a Genetics Word Search.

Genetics Word Search

This entry was posted on February 2, 2019 by Todd Helmenstine (updated on February 2, 2019)

Sea grapes are single cells of a species of algae. (Robert Ricker, NOAA) — The only way to view most unicellular organisms is with a microscope. The vast majority of cells are very small. However, the largest single-celled organisms are visible to the naked eye and big enough to hold in your hand. The algae Caulerpa is generally recognized as the largest unicellular organism. […]

What Is the Largest Unicellular Organism?

This entry was posted on November 29, 2018 by Anne Helmenstine (updated on December 15, 2018)