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a micrograph of putative sponge fossils with small tunnel-like structures in white on a black background
890-Million-Year-Old Fossils Are Sponges, Oldest Animals: Study
If confirmed, the findings indicate that animals appeared on Earth millions of years earlier than previously believed.
890-Million-Year-Old Fossils Are Sponges, Oldest Animals: Study
890-Million-Year-Old Fossils Are Sponges, Oldest Animals: Study

If confirmed, the findings indicate that animals appeared on Earth millions of years earlier than previously believed.

If confirmed, the findings indicate that animals appeared on Earth millions of years earlier than previously believed.

life history
A blue coelacanth with white speckles in the ocean
African Coelacanths May Live to Be 100: Study
Catherine Offord | Jun 18, 2021 | 2 min read
This evolutionarily ancient fish species has a lifespan that’s around five times longer than previously thought, and a gestation time of more than five years.
Lifespan Less Heritable than Previously Thought
Abby Olena, PhD | Nov 6, 2018 | 3 min read
Some of the longevity that appears to run in families can instead be attributed to people choosing life partners with similar characteristics.
The Vanishing Night: Light Pollution Threatens Ecosystems
Diana Kwon | Oct 1, 2018 | 10+ min read
The loss of darkness can harm individual organisms and perturb interspecies interactions, potentially causing lasting damage to life on our planet.
Hunting Regulations Shape Brown Bears’ Care for Cubs
Ashley Yeager | Jul 1, 2018 | 4 min read
Scandinavian mother bears gain a survival advantage by weaning their babies later than normal, analysis of a 30-year dataset suggests.
Opinion: Aging, Just Another Disease
Mutaz Musa | Nov 1, 2016 | 3 min read
No longer considered an inevitability, growing older should be and is being treated like a chronic condition. 
The Oldest of Them All
Alison F. Takemura | Aug 12, 2016 | 2 min read
Greenland sharks can live an estimated 400 years, beating the previous vertebrate longevity record, scientists report.
Humans Under Pressure
Ed Yong | Apr 25, 2013 | 3 min read
Better health care in Gambian villages lead to flip-flopping selection pressures on height and weight.
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