On June 14, 1868, Austrian-American immunologist and serologist Dr. Karl Landsteiner was born. Early in his research of blood properties, he had concluded that agglutinin, a substance that causes particles to aggregate in a thickened mass, varied between blood types. He demonstrated how human…
On May 17, 1749, English country surgeon Dr. Edward Jenner was born. In the 18th century, smallpox was a disease that killed about 20% of victims who contracted it and, if it didn’t kill, it often disfigured or blinded many survivors. When an epidemic…
On April 5, 1815, the Tambora stratovolcano erupted after several thousand years in repose. This Indonesian super-volcano signalled its awakening with a few years of steam releases, tremors, and small eruptions until the April 5th explosion, heard up to 1,400 km (870 mi.) away,…
On April 3, 1837, writer/naturalist, John Burroughs was born. In his early adult years, he alternated teaching with studying at different institutions or colleges. The works of Wordsworth and Emerson inspired him to write from his personal vantage point – a man raised and…
Today the world celebrates International Women’s Day to commemorate the contribution of women locally and globally. We salute women who have and continue to inspire, women who have paved the way for so many who follow, role models, heroines, firsts in so many fields…
On August 25, 1916, the United States National Park Service was created by Congress through the National Park Service Organic Act to care for all national parks, historic battlefields, and monuments throughout the country. More than 400 National Parks later… the USNPS celebrates its…
On August 24, 79, the first recorded explosion of Mount Vesuvius, Italy, was witnessed by the 18-year-old nephew of the Commander of the Roman Fleet. His uncle sailed with ships to rescue survivors, leaving the teen to observe the eruption from home across the…
On April 12, 1961, Soviet cosmonaut Yuri Gagarin became the first person to travel into space. He made a 108-minute orbital flight in the fully automated Vostok 1 space capsule. Gagarin did not land in his space capsule. Vostok 1’s reentry into the atmosphere…
On February 22, 1857, German physicist Heinrich Rudolf Hertz was born. He was a student and protégé of the great Hermann von Helmholtz. Hertz began his career as a university lecturer and quickly established himself as an accomplished speaker. In his lab, Hertz demonstrated…
We have teamed up with EcoSchools Canada to give students across the country the opportunity to participate in the school-based Bondar Challenge and support their EcoSchools certification application. The nature photography challenge is inspired by the remarkable work of Dr. Roberta Bondar. As the…