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1 giorno fa · e. Renewable energy (or green energy) is energy from renewable natural resources that are replenished on a human timescale. The most widely used renewable energy types are solar energy, wind power and hydropower. Bioenergy and geothermal power are also significant in some countries. Some also consider nuclear power a renewable power source ...
1 giorno fa · World War II or the Second World War (1 September 1939 – 2 September 1945) was a global conflict between two alliances: the Allies and the Axis powers. Nearly all of the world's countries, including all of the great powers, participated in the conflict, and many invested all available economic, industrial, and scientific capabilities in pursuit of total war, blurring the distinction between ...
6 giorni fa · In medicine, a prosthesis (pl.: prostheses; from Ancient Greek: πρόσθεσις, romanized: prósthesis, lit. 'addition, application, attachment'), or a prosthetic implant, is an artificial device that replaces a missing body part, which may be lost through physical trauma, disease, or a condition present at birth (congenital disorder).
5 giorni fa · The 2024 NFL draft was the 89th annual meeting of National Football League (NFL) franchises to select newly eligible players. The draft was held at Campus Martius Park and Hart Plaza in Detroit, Michigan on April 25–27, 2024. [1] The draft had an attendance of over 775,000, breaking the overall record set previously in 2019.
6 giorni fa · A protein is a polyamide. Secondary structure: regularly repeating local structures stabilized by hydrogen bonds. The most common examples are the α-helix, β-sheet and turns. Because secondary structures are local, many regions of different secondary structure can be present in the same protein molecule.
1 giorno fa · UNICEF ( / ˈjuːniˌsɛf / YOO-nee-SEF ), originally the United Nations International Children's Emergency Fund, officially United Nations Children's Fund since 1953, [a] is an agency of the United Nations responsible for providing humanitarian and developmental aid to children worldwide. [3] [4] The organization is one of the most widely ...
2 giorni fa · v. t. e. The modern Olympic Games or Olympics (French: Jeux olympiques) [a] [1] are the leading international sporting events featuring summer and winter sports competitions in which thousands of athletes from around the world participate in a variety of competitions. The Olympic Games are considered the world's foremost sports competition with ...
