Science Facts Set-33

• The Channel-billed Cuckoo (Scythrops novaehollandiae) is the largest species of cuckoo in the world.
• Xenon is a colourless, odourless, heavy noble gas that is used in gas-discharge lamps.
• Rainforest Rocket Frog is a terrestrial, diurnal frog found in Panama and Costa Rica.
• A barograph is an instrument used for recording the variations in atmospheric pressure over a period of time in a paper called barogram.
• Golden-headed Manakin is a small bird found in South America. It weighs about 12.5 g.

• Histology is the study of microscopic anatomy of cells, tissues and organs of living organisms.
• Zircaloys are alloys of zirconium used as fuel cladding in water-cooled reactors.
• Planet Mars takes 24.6 hours to rotate about its axis.
• Diphtheria is an acute contagious disease caused by diphtheria bacillus.
• The three-toed sloth is the slowest moving mammal in the world.