A date in history of medicine, science, environmental study, space exploration of benefit to our knowledge of earth and life sciences of interest.
On April 10, 1865, Canadian naturalist, Jack Miner was born. At 39, he established the Jack Miner Bird Sanctuary for the conservation of migrating Canada geese and ducks on an Ontario peninsula between Lake Erie to the south and Lake Saint Clair to the…
On April 7, 1795, France introduced the metric system of measurement with the original units for length, area, volumes and mass. The main feature of the metric system is the standardized set of interrelated base units that include a standard set of prefixes in…
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…
On this day in Sault Ste Marie Ontario, future neuro-ophthalmologist and payload specialist Roberta Lynn Bondar was born. Of course, no one knew all that at the time. Or even what those words meant. She had to learn to walk first! And to prefer…
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…
On October 16, 1975, NASA launched GOES-1 – the first Geostationary Operational Environmental Satellite. Over the Indian Ocean, GOES-1 achieved a specific geostationary orbit, approximately 35,785 km (22,236 mi) above the equator, following the direction of Earth’s rotation, matching its rotation period, and appearing…