The evolution of modern rainforests began with the dinosaur-killing asteroid

The lush biodiversity of South America's rainforests is rooted in one of the most cataclysmic events that ever struck Earth.

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  • One especially mysterious thing about the asteroid impact, which killed the dinosaurs, is how it transformed Earth's tropical rainforests.
  • A recent study analyzed ancient fossils collected in modern-day Colombia to determine how tropical rainforests changed after the bolide impact.
  • The results highlight how nature is able to recover from cataclysmic events, though it may take millions of years.
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Godzilla vs. Kong: A morphologist chooses the real winner

Ultimately, this is a fight between a giant reptile and a giant primate.

The 2021 film “Godzilla vs. Kong" pits the two most iconic movie monsters of all time against each other. And fans are now picking sides.

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Listen to your heart? What this remarkable organ actually does

Awareness of one's own heartbeat has some positive effects.

The heart is more than just a pump that pushes blood through our veins. It's also an organ that affects our thinking, feelings, perception and identity.

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Long-retracted papers are still cited in major journals

The retraction crisis has morphed into a citation crisis.

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  • Even after scientific papers are retracted, hundreds of studies cite them as evidence.
  • Roughly four retractions occur per 10,000 publications, mostly in medicine, life sciences, and chemistry journals.
  • Journals should implement control measures that block the publication of papers that cite retracted papers.
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Progeria: New treatment could extend lives of children with 'premature aging' syndrome

The new treatment targets the underlying genetic cause of the disease.

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  • Progeria is an "accelerated aging" disease that causes children to die of "old age" at around 13 to 15 years.
  • There are only two existing treatments, and both have unpleasant side effects.
  • A promising new therapy based on biotechnology increases the lifespan of mice by over 60% and is ready for human clinical trials.
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