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Today is: November 23
Scroll to explore events active on this date.
For the current year, this category includes: 2801 events.
Category: Science & Mathematics
Highlighting global events relating to the sciences and mathematics.
Science and math is a heavy-duty category covering a lot of ground. It focuses on the sciences, including but not limited to astronomy, biology, chemistry, physics, geography, anthropology, engineering, and mathematics.
Science & Math Events
Life, Year of Life: 2020
Annual
Each year The Geological Society picks a theme and 2020 is the Year of Life. Throughout the year programs will explore life in a geoscience context through research conferences, lectures, education and...
January
Moon-1st Quarter: January 2
Daily
The first quarter moon occurs when the moon is one-half illuminated by the sun. Each day forward increases the amount of the moon you can see. The 1st quarter typically occurs 7 days after the New Moon.
January
Moon-3rd Quarter: January 17
Daily
Today is the 3rd Quarter of the Moon, meaning it is half way between the Full Moon and New Moon.
January
Moon-Full: January 10
Daily
January’s full moon is known as the Wolf Moon or Long Nights Moon. The full moon occurs when the Moon is completely illuminated by the sun. It is on the opposite side of the earth from the sun, an eclipti...
January
Moon-New: January 24
Daily
The New Moon occurs when the Moon and the Sun have the same elliptical longitude. This happens when the moon is at its closest point to the sun in its orbit. From earth we usually cannot see it. The New M...
January
Old Rock (Petrologist) Day: January 7
Daily
The Mineralogical Society of America hosts Old Rock (Petrologist) Day on January 7 each year. And yes, you guessed it - it's not exactly celebrating music, although some mineralogists like celebrating it...
January
Perihelion Day: January 5
Daily
Perihelion Day is the day of the year when the Earth is closest to the Sun. This day changes from year-to-year, but it's usually in early January. The world "perihelion" comes from the Ancient Greek w...
January
Plant Health, 2020 Intl. Year of: 2020
Annual
Plants form the foundation for all life on Earth. They create ecosystem functions and food security, clean the air, keep hillsides in place, provide shelter, safety and joy. The health of plants is as ess...
January
Programmers' Day, Intl: January 7*
Daily
International Programmers' Day is one of two days celebrating the men and women behind nearly every modern tool and convenience from your car and videos to smart phones and the internet. These are the pe...
January
Science Fiction Day (1920): January 2
Daily
International Science Fiction Day is celebrated annually on January 2, the birthday of science fiction author Isaac Asimov in 1920. An American author and professor of biochemistry at the Boston Univers...
January
Skeptics Day, Ntl.: January 13*
Daily
National Skeptics Day is an unofficial holiday that celebrates skepticism and its innumerable gifts to us. This is one of two Skeptic’s Days on the calendar. The second is International Skeptics Day, whi...
January
Static Electricity Day: January 9
Daily
Static Electricity Day celebrates the oft amusing and somewhat annoying physical effect of static electricity. Whether you've zapped your hand on a doorknob, or you've had your hair go in every directio...
January
Straw (Drinking) Day (1888): January 3
Daily
Straw Day or Drinking Straw Day marks the anniversary of the patent received by Martin C Stone for this tool made from paper and thus disposable, January 3, 1888. First used by Sumerians (4500 - 1900BC...
January
Technology Day, Ntl: January 6
Daily
People do not change, but how we live our lives does due to technology. Technology can be something simple, such as the humble beer can (first put on sale this day in 1935), or as complex as a computer....
January
Thomas Crapper Day (1910): January 27
Daily
Thomas Crapper Day honors Thomas Crapper an English plumber born in Yorkshire in 1837, who died on this day in 1910. Though he is often credited with inventing the modern flushing toilet, he actually im...
January
Year of the Census (US): 2020
Annual
Every 10 years the United States does a census to determine the population and its characteristics within the US and its territories. The outcome affects funds given for schools, infrastructure, social pr...
January
Rotating Earth Day (1851): January 8
Daily
Physicist Jean Foucault had a theory, actually a lot of them he would go on to prove. But, on January 8, 1851, he put one of those theories to test. He believed the earth, being spherical, rotated on an a...
January
Moon-1st Quarter: February 2
Daily
The first quarter moon occurs when the moon is one-half illuminated by the sun. Each day forward increases the amount of the moon you can see. The 1st quarter typically occurs 7 days after the New Moon.
January
Moon-Full: February 9
Daily
January’s full moon is known as the Wolf Moon or Long Nights Moon. The full moon occurs when the Moon is completely illuminated by the sun. It is on the opposite side of the earth from the sun, an eclipti...
January
Extraterrestrial Culture Day: February 11
Daily
It was in 1947 that a UFO was reported sighted over Roswell, New Mexico in the Southwestern US. Ever since, Roswell has been a mecca for UFO seekers and shrouded in mystery. Recognizing this, with a tad...
January
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