UNSPECIFIED - FEBRUARY 17: European mole (Talpa europaea), Talpidae. (Photo by DeAgostini/Getty Images)

492762555

UNSPECIFIED - FEBRUARY 17: European mole (Talpa europaea), Talpidae. (Photo by DeAgostini/Getty Images)

Photo by: DEA / A. CALEGARI

DEA / A. CALEGARI

How to Celebrate Mole Day

Because chemists just wanna have fun.

October 23, 2019

Happy Mole Day!

What's that? You have no idea what Mole Day is? Well you've come to the right place.

Mole Day occurs every October 23 from 6:02am to 6:02pm in honor of Avogadro’s Number. This number - or, a mole - is a basic measuring unit for atoms and molecules discovered by Amedeo Avogadro, an 18th century Italian scientist.

Avogadro’s Number is (6.02 x 10^23). Get it? The first number is the time 6:02 and the second number is the date 10/23. The full number written out is 602,214,076,000,000,000,000,000.

According to the Mole Day Foundation:

"For a given molecule, one mole is a mass (in grams) whose number is equal to the molar mass of the molecule. For example, the water molecule has a molar mass of 18, therefore one mole of water weighs 18 grams. Similarly, a mole of neon has a molar mass of 20 grams. In general, one mole of any substance contains Avogadro's Number of molecules or atoms of that substance."

Put another way, a mole is just an easier way to count large numbers of atoms and molecules.

Chemists and science students around the world celebrate Mole Day with themed events, chemistry experiments, and nerdy desserts. There are MOLEtiple ways to honor Avogadro’s discovery.

Speaking of puns, since 1991 each Mole Day has a unique theme. The 2019 theme is DespicaMOLE Me.

Past year's themes include:

  • 2014 - Mole-O-Ween
  • 2015 - May The Moles Be With You
  • 2016 - Periodic Table of EleMoleMents
  • 2017 - The MOLEVENGERS
  • 2018 - Moley Potter

So celebrate away, because Mole Day exists to help promote chemistry education! To become a member of the Mole Day Foundation visit https://www.moleday.org/.

Next Up

How to Save Humanity from Extinction

Here are some goals we need to achieve if we want to reach our 500,000th birthday as a species.

How 3D Print Building is Changing the Future

Building with 3D printing technology is sparking widespread interest in the construction industry. Besides reducing waste and our impact on the environment, it can speed up construction from weeks, or months, to days. Projects that use simple raw materials like soil, straw, and even salt, can be built in a fraction of the time and cost of traditional construction.

All Rainwater is Unsafe to Drink According to Study

A study by Stockholm University and ETH Zurich scientists found that all rainwater on Earth is unsafe to drink due to the levels of PFAS, or toxic chemicals. These PFAS or ‘forever chemicals’ are becoming a part of a future reality that humans must, unfortunately, learn to live with.

Building Atlantropa: One Man’s Plan To Drain the Mediterranean Sea

Atlantropa may be the most bizarre and ambitious environmental project you have never heard of.

113 Million-Year-Old Dinosaur Tracks Uncovered Due to Drought

Severe drought conditions dried up a river at Dinosaur Valley State Park in Texas leading to the pre-eminent discovery.

AI Tools Help to Predict Extreme Weather and Save Lives

Predicting extreme weather events is a tricky business. Changing climate conditions have increased the frequency of severe storms, floods, and heatwaves, along with larger wildfires. As a result, scientists are using artificial intelligence (AI) techniques for more accurate forecasts that help to minimize damage and save lives.

Blind Dogs Can Still Play Fetch. A Newfound Nose-to-Brain Connection Explains Why.

Why are dogs such great sniffers? A new canine connection shows powerful brain links between dogs’ sense of smell and sight.

Scientists Are Resurrecting the Tasmanian Tiger from Extinction

Colossal Biosciences has announced it has begun work on the de-extinction of the thylacine, an iconic Australian marsupial eradicated by human hunting in 1936. Learn how they plan to do it in an exclusive interview with marsupial evolutionary biologist Andrew Pask Ph.D. and Colossal Co-Founder Ben Lamm.

Can this New AI Technology Help Us Understand the Languages of Animals?

A California-based nonprofit is searching to build an AI language that allows humans more deeply understand non-human languages to help change our ecological impact on our Earth.

Quiz: Test Your Space Exploration Knowledge

Ahead of the historic May 27th NASA and SpaceX crewed space launch, test your space exploration knowledge!