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Writer Fuel: What is Epigenetics?

Old woman's hands - deposit photos

Why do common shrews live for only two years, while bowhead whales survive for two centuries? And could the answer give us hints as to how to extend our own, human life spans? The maximum life span of each species is estimated using the age of its longest-living member, and these vary by orders of … Read more

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Writer Fuel: Forever Young? The Adorable, Regenerating Axolotl

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Name: Mexican salamander (Ambystoma mexicanum) also known as an axolotl Where it lives: Lake Xochimilco and Lake Chalco, near Mexico City What it eats: a variety of small invertebrates, along with some small fish Why it’s awesome: Despite its rarity, the axolotl’s incredibly cute looks has made it one of the world’s most famous amphibians, … Read more

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Live Science: What’s the Maximum Possible Human Lifespan?

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Scientists have long debated the greatest possible age of a person, with previous studies placing the limit at up to 150 years. But in the past 25 years, no one has surpassed the record for the world’s oldest person, held by Jean Louise Calment, who died at age 122 in 1997. “This has led people … Read more