Dolphin
Dolphins are highly intelligent marine mammals, members of the same group as whales, found in oceans and some rivers around the world. Playful,…
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Elephant
Elephants are the largest living land animals, instantly recognisable by their long trunks, fan-like ears, and curving tusks. Three species survive…
DNA (Deoxyribonucleic Acid)
Deoxyribonucleic acid (DNA) is the molecule that carries the genetic instructions used in the growth, development, functioning, and reproduction of…
Vaccines
A vaccine is a preparation that trains the immune system to recognize and fight a specific disease before the body is ever exposed to the real…
Tiger
The tiger is the largest of all the cats and one of the most powerful and recognisable animals on Earth. With its burning orange coat marked by bold…
Pasteurization
Pasteurization is the process of heating a food or drink to a specific temperature for a set length of time in order to kill harmful microorganisms…
Giant Panda
The giant panda is a bear native to the mountain forests of central China, beloved worldwide for its distinctive black-and-white coat and gentle,…
Spontaneous Generation
Spontaneous generation was the long held belief that living organisms could arise directly from non living matter. People thought maggots formed from…
Domestic Cat (Felis catus)
The domestic cat (Felis catus) is a small carnivorous mammal of the family Felidae, descended from the African wildcat and domesticated approximately…
Nile Crocodile
The Nile crocodile is a large reptile found across much of Africa and the continent's largest freshwater predator. An ambush hunter that has changed…
Penicillin
Penicillin was the first true antibiotic, a medicine that kills bacteria and cures infections that had once been routinely fatal. Its discovery and…
Abiogenesis: The Origin of Life
Abiogenesis is the natural process by which life is thought to have arisen from non living matter, such as simple chemical compounds. How life first…
Evolution by Natural Selection
Evolution by natural selection is the scientific theory that explains how the diversity of life arose and continues to change. It holds that…
Great White Shark
The great white shark (Carcharodon carcharias) is the largest predatory fish in the ocean and one of the most formidable hunters on Earth. Found in…
Giraffe
The giraffe is the tallest living animal on Earth, an unmistakable creature of the African savanna with its towering neck, long legs, and patchwork…
The Gut-Brain Axis: Microbiome Influence on Mental Health
The gut-brain axis describes the bi-directional signalling between gut microbiota and the central nervous system via the vagus nerve, immune system,…
Kangaroo
The kangaroo is a large marsupial native to Australia and the unofficial emblem of that country. Famous for hopping on its powerful hind legs and for…
Penguin
Penguins are flightless seabirds superbly adapted to life in the water, where they fly in all but name, using their stiff, flipper-like wings to…
Are Viruses Alive?
Whether viruses count as living organisms is a question biologists have debated for over a century, and there is still no settled answer. Viruses sit…
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