MARCH 18, 1965: Soviet cosmonaut Alexei Leonov became the first man to walk in space on this day in 1965. The 30-year-old Russian floated outside the Voskhod 2 spacecraft for 12 minutes while connected to a 17ft tether.
Can a shark swim backwards?
Unlike fish, sharks cannot stop suddenly or swim backwards. A shark’s pectoral fins cannot bend upwards like a fish, limiting its swimming ability to forward motion. If a shark needs to move backwards, it uses gravity to fall, not swim backwards.
Is smoke a state of matter?
Smoke is particulate material suspended in a gas (air). The particulates may be very finely divided solids or aerosol particles composed of liquid materials. Smoke is neither solid or gas, it is a colloidal dispersion that is a different arrangement of matter.
What came first ice ice baby or under pressure?
The song is a medley of “Under Pressure”, originally recorded in 1981 by Queen and David Bowie, and “Ice Ice Baby”, recorded by Vanilla Ice in 1989.
Why is a bobby pin called a bobby pin?
In 1899 the bobbing pin came into wide use as the hairstyle known as the “bob cut” or “bobbed hair” took hold. It was invented in Paris by Robert (Bobby) Pinot. As foreigners caught wind of his invention, the hairstyle gained momentum and the pin became known as “Bobby’s pin.”
What animal has the highest blood pressure?
Previous studies have found the giraffe has an extremely high blood pressure that is twice that found in other animals. But this study is the first to unravel the true nature of the giraffe heart and cardiovascular system.
Where did Vincent van Gogh paint the starry night?
The Starry Night is an oil on canvas painting by the Dutch post-impressionist painter Vincent van Gogh. Painted in June, 1889, it depicts the view (with the notable addition of an idealized village) from the east-facing window of his asylum room at Saint-Rémy-de-Provence, just before sunrise.
What unit of time is a “jiffy”
A jiffy is a unit of time equivalent to 1/100th of a second. Likely, there is almost nothing humanly possible that can be accomplished in a “jiffy.”