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Latest Blog Posts
18
AprAn Earth Mover
On April 18, 1906, the most destructive earthquake in US history devastated much of San Francisco. This event, approximately 8.0 on the yet-to-be-invented Richter scale, occurred along the San Andreas Fault, a tectonic plate boundary from which the Earth’s … Continue reading →
15
AprThe Renaissance Man
On April 15, 1452, Leonardo da Vinci was born. Without formal education, he recorded much of his interest in every facet of life and study. He was an observational scientist who tried to understand something by illustrating and describing … Continue reading →
Author Archives: B Bondar
An Earth Mover
On April 18, 1906, the most destructive earthquake in US history devastated much of San Francisco. This event, approximately 8.0 on the yet-to-be-invented Richter scale, occurred along the San Andreas Fault, a tectonic plate boundary from which the Earth’s … Continue reading
Posted in On This Day
Tagged April18, On This Day, San Andreas Fault, San Francisco earthquake, space geodesy, The Roberta Bondar Foundation
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The Renaissance Man
On April 15, 1452, Leonardo da Vinci was born. Without formal education, he recorded much of his interest in every facet of life and study. He was an observational scientist who tried to understand something by illustrating and describing … Continue reading
Posted in On This Day
Tagged April 15, Leonardo da Vinci, On This Day, Renaissance Man, The Roberta Bondar Foundation
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World Meteorological Day
On March 23, 1950, the World Meteorological Organization was created as a specialized agency of the United Nations. The WMO speaks on the state of Earth’s atmosphere and reports its interaction with oceans, the climate it produces, and the … Continue reading
Posted in On This Day
Tagged March 23, On This Day, The Roberta Bondar Foundation, World Meteorological Day, World Meteorological Organization
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World Water Day
On March 22, 2019, we celebrate World Water Day, a special day for focusing upon the most vital food for life on Earth. Each year, the United Nations Organization chooses a special water focus that has included water for cities, … Continue reading
Posted in On This Day
Tagged International Day of Water, March 22, On This Day, The Roberta Bondar Foundation, World Water Day
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International Day of Forests and Trees
On March 21, 1971, the United Nations’ Food and Agriculture Organization declared this as World Forestry Day to share information, research, and project updates on forests and forestry around the world. This day was chosen because it is the … Continue reading
Posted in On This Day
Tagged International Day of Forests and Trees, March 21, On This Day, The Roberta Bondar Foundation, World Forestry Day
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The GRACE Twins
On March 17, 2002, NASA launched the GRACE twins, two Gravity Recovery and Climate Experiment satellites. They flew about 220 km ( 137 mi ) apart in a polar orbit at 485 km (300 mi) above Earth, measuring regional … Continue reading
Posted in On This Day
Tagged Earth gravity fields, freshwater measurement, GRACE, groundwater, March 17, On This Day, The Roberta Bondar Foundation
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Yellowstone National Park
On March 1, 1872, U.S. President Ulysses S. Grant declared Yellowstone a National Park. Located principally in what is today Wyoming, Yellowstone was not explored until late in the 19th century. By that time, geologists and naturalists were able to … Continue reading
Posted in On This Day
Tagged March 1, On This Day, supervolcano, The Roberta Bondar Foundation, Yellowstone National Park
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No Grass Grew Under These Feet!
On February 23, 1879, British botanist Agnes Arber was born. From her mid-teens through early career, she was able to spend time assisting plant morphologist Ethel Sargant from whom she acquired her research interest and style of investigation. Arber … Continue reading
Posted in On This Day
Tagged Agnes Arber, Agnes Robertson Arber, aquatic angiosperms, aquatic flowering plants, February 23, monocotyledons, On This Day, The Roberta Bondar Foundation
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Catching the Wave
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 … Continue reading
Posted in On This Day
Tagged February 22, Heinrich Rudolf Hertz, hertz unit, On This Day, radio waves, The Roberta Bondar Foundation, wave theory
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Nature Whisperer
On February 17, 1858, educator, illustrator, biologist, photographer, and writer Margaret Warner Morley was born. After graduating as a teacher in New York City, she studied at what is now the Illinois Institute of Technology in Chicago, and the Marine … Continue reading
Posted in On This Day
Tagged biologist, February 17, Margaret Warner Morley, nature writer, On This Day, science illustrator, The Roberta Bondar Foundation
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