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Which scientist discovered the radioactive element radium?
Radium was discovered in 1898 by Marie Curie and Pierre Curie. They managed to extract 1 mg of radium from ten tonnes of the uranium ore pitchblende (uranium oxide, U3O8), a considerable feat, given the chemically methods of separation available to them.
Radium was discovered in 1898 by Marie Curie and Pierre Curie. They managed to extract 1 mg of radium from ten tonnes of the uranium ore pitchblende (uranium oxide, U3O8), a considerable feat, given the chemically methods of separation available to them.
See lessWho invented the BALLPOINT PEN?
The Hungarian brothers, Laszlo and George Biro, made the first ball point pen in 1894. It followed the first workable fountain pen which was invented by L.E. Waterman in 1884.
The Hungarian brothers, Laszlo and George Biro, made the first ball point pen in 1894. It followed the first workable fountain pen which was invented by L.E. Waterman in 1884.
See lessWho is the youngest person to climb Mount Everest?
Jordan Romero (born July 12, 1996) is an American mountaineer who was 13 years old when he reached the summit of Mount Everest. Romero was accompanied by his father, Paul Romero, his step-mother, Karen Lundgren, and three Sherpas, Ang Pasang Sherpa, Lama Dawa Sherpa, and Lama Karma Sherpa.
Jordan Romero (born July 12, 1996) is an American mountaineer who was 13 years old when he reached the summit of Mount Everest. Romero was accompanied by his father, Paul Romero, his step-mother, Karen Lundgren, and three Sherpas, Ang Pasang Sherpa, Lama Dawa Sherpa, and Lama Karma Sherpa.
See lessAt what temperature is the density of water at its maximum?
The density of water is maximum at 𝟒°𝐂 temperature.
The density of water is maximum at 𝟒°𝐂 temperature.
See lessHow many kilometers are there in a light-year?
light-year, alternatively spelled light year (ly), is a unit of length used to express astronomical distances and is equal to exactly 9,460,730,472,580.8 km (Scientific notation: 9.4607304725808 × 1012 km), which is approximately 5.88 trillion mi.
light-year, alternatively spelled light year (ly), is a unit of length used to express astronomical distances and is equal to exactly 9,460,730,472,580.8 km (Scientific notation: 9.4607304725808 × 1012 km), which is approximately 5.88 trillion mi.
See lessWhat is used for artificially ripening fruit?
Calcium carbide is used for the artificial ripening of fruits. Actually, the fruit ripens because of the heat evolved while calcium carbide reacts with moisture. During the reaction, calcium hydroxide and acetylene gas is formed.
Calcium carbide is used for the artificial ripening of fruits. Actually, the fruit ripens because of the heat evolved while calcium carbide reacts with moisture. During the reaction, calcium hydroxide and acetylene gas is formed.
See lessWhy does the Red Sea's water sometimes turn red?
The sea is sometimes filled with the blooms of the algae Trichodesmium Erythraeum. When they die, the water becomes reddish-brown. It is also known as 'sea sawdust'.
The sea is sometimes filled with the blooms of the algae Trichodesmium Erythraeum. When they die, the water becomes reddish-brown. It is also known as ‘sea sawdust’.
See lessIn which country is the Global Seed Vault located?
The Svalbard Global Seed Vault is owned by Norway and managed in partnership between the Norwegian Ministry of Agriculture and Food, the regional genebank NordGen and the Crop Trust.
The Svalbard Global Seed Vault is owned by Norway and managed in partnership between the Norwegian Ministry of Agriculture and Food, the regional genebank NordGen and the Crop Trust.
See lessWho is the first Indian woman to become a botanist? This person also made sugarcanes taste sweeter.
Janaki Ammal, PhD. Born in 1897, Dr. Janaki Ammal was India's first female botanist and was the first Indian woman to receive a doctorate degree in botany in the U.S. In 1913, literacy among women in India was less than one percent.
Janaki Ammal, PhD. Born in 1897, Dr. Janaki Ammal was India’s first female botanist and was the first Indian woman to receive a doctorate degree in botany in the U.S. In 1913, literacy among women in India was less than one percent.
See lessWho was the first Indian woman to win a medal at the Olympics?
Karnam Malleswari Karnam Malleswari was the first Indian woman to win an Olympic medal at the Sydney Games in 2000. Her bronze medal in women's weightlifting proved to be a game-changer and inspiration for the Indian female athletes competing at the Olympics.
Karnam Malleswari
See lessKarnam Malleswari was the first Indian woman to win an Olympic medal at the Sydney Games in 2000. Her bronze medal in women’s weightlifting proved to be a game-changer and inspiration for the Indian female athletes competing at the Olympics.