References

Discover interesting facts about elephants, the highly intelligent and social animals that roam Africa and Asia.

Discover interesting facts about octopuses, an intelligent group of cephalopods with three hearts, eight arms and a reputation for causing mischief in oceans around the world.

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Discover interesting facts about orcas, the deadly and beautiful predators that lurk in every ocean.

Discover interesting facts about where sharks live, how big they can get, and how likely it is to get bitten by one.

The deadliest cancers aren't necessarily the ones that kill the most people overall; they're the ones with the lowest survival rates.

REFERENCE Does yoga help you lose weight? We look at whether yoga can help you shed pounds.

Fact file Deforestation can include clearing the land for farming or livestock, or using the timber for fuel, construction or manufacturing.

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