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Today is: April 24
Scroll to explore events active on this date.
For the current year, this category includes: 3160 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
Earth Science Week: October 12-18
Weekly
Earth Science Week is an international week to educate the public about earth sciences, conservation, and available careers. Learning resources and activities engage young people in exploring the relation...
January
Infection Prevention Week, Intl.: October...
Weekly
International Infection Preventionist, or IP Week, celebrates the men and women on the frontlines of disease and infection prevention. An Infection Preventionist (IP) is a healthcare professional who work...
January
Failure Day, Ntl. (FI): October 13*
Daily
Finns are known for their dislike and aversion to failure. Still, with the Great Recession heavily impacting the Scandinavian country, many of its people found themselves in an unfavorable state: dependen...
January
Moon—Third Quarter: October 13
Daily
Today is the third quarter of the moon, meaning it is halfway between the full moon and the new moon.
January
Recycle Now Week (UK): October 13-19 (est)
Weekly
BOUT RECYCLE NOW WEEK IN THE UNITED KINGDOM Recycle Now Week, an annual campaign spearheaded by the national recycling campaign Recycle Now, focuses on raising awareness and encouraging recycling across...
January
Skeptics Day, Intl.: October 13*
Daily
International Skeptics Day is an unofficial holiday that celebrates skepticism and its innumerable gifts to us. It’s one of two Skeptic’s Days on the calendar, and the first is National Skeptics Day, whic...
January
Ada Lovelace Day, Intl.: October 14
Daily
Augusta Ada Byron-King was an aristocrat in England, ennobled with the title The Countess of Lovelace. But, she was a little bit more than that. Ada was well ahead of her time. A scientist, mathematicia...
January
Fossil Day, Ntl.: October 15
Daily
The film series Jurassic Park popularized paleontology, which is the science devoted to fossils. Fossils are the remains (bones) or impressions (molded into rock) of prehistoric animals, plants, and organ...
January
Black in Natural History Museums Week: Oct...
Weekly
Black in Natural History Museums Week is an initiative to share the stories, perspectives & knowledge of people of African ancestry in the Natural History Museum community. Dates can be anytime in October...
January
Chemistry Week, Ntl.: October 19-25
Weekly
National Chemistry Week is a community-based program of the American Chemical Society (ACS) that unites businesses, schools, and individuals around the importance of chemistry to quality of life. The mis...
January
Lead Poisoning Prevention Week of Action,...
Weekly
Lead poisoning continues to be a severe problem, especially in older buildings where paint peels and children often eat it. It can also be present in the dust and inhaled, in soil, water and air. Working...
January
Nuclear Science Week, Ntl.: October 20-24...
Weekly
Nuclear Science Week (NSW) is an internationally observed week-long celebration of all aspects of nuclear science. NSW takes place each year on the third week of October, and each day of NSW focuses on th...
January
Moon—New: October 21
Daily
The New Moon occurs when the moon and the sun have the same elliptical longitude when the moon is at its closest point to the sun in its orbit. From earth, we usually cannot see it. The New Moon is consid...
January
Reptile Day, Ntl.: October 21
Daily
National Reptile day is promoted by Reptile Magazine and supported by several environmental organizations. It seeks to raise awareness and respect for reptiles' role in the ecosystem and encourage best pr...
January
Mole Day, Ntl.: October 23
Daily
Mole Day brings awareness to a numerical equation. Celebrated by chemists, chemistry students, and science enthusiasts, it commemorates Avogadro's Number (6.02 x 10 to the 23rd power), a basic measuring u...
January
Recycle Your Mercury Thermostat Day: Octob...
Daily
Saving the World One Thermostat at a Time – the hows and whys of thermostat recycling by Ryan L. Kiscaden (Edited for grammar and clarity by LEEP Calendar) A Brief Background Honeywell, White-Rogers, a...
January
Climate Action Day, Youth: October 25
Daily
Youth Climate Action Day is a worldwide movement of young people who are not indifferent to climate change and global injustice. Since 2012 young people in several countries have started concrete actions...
January
Internet Day, Intl. (1969): October 29
Daily
International Internet Day marks the invention of the Internet in 1969 by Leonard Kleinrock at UCLA. It was called ARPANET. The original idea came from MIT's JCR Licklider in 1962 via a concept he call...
January
Moon—First Quarter: October 29
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 seven days after the New Moo...
January
Nuclear Weapons Program Workers Remembranc...
Daily
Since World War II, hundreds of thousands of men and women have served the United States by building nuclear weapons for the country's defense. Many workers have paid a high price for their service, devel...
January
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