Science Facts Set-28

  • Aqua regia is a liquid that can dissolve noble metals such as gold and platinum.
  • Light cannot escape from the gravitational pull of a black hole.
  • Streptococcus pneumoniae is the bacteria that causes pneumonia.
  • Perennials are plants that live for more than two years.
  • Dolphins are one of the most intelligent animals on the Earth.
Dolphins of the World (Worldlife Discovery Guides)
  • Solder is an alloy used for joining metals. It has a melting point ranging from 90° to 450° Celsius.
  • Cryogenics is the study of materials and phenomena at temperatures close to or equal to absolute zero.
  • Anthophobia is the fear of flowers.
  • The feathers of birds are made up of a substance called keratin.
  • Dendrology is the branch of botany which deals with the study of wooded plants.
Harlow and Harrar's Textbook of Dendrology

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