December 2, 2025

New Study Finds Tattoo Ink May Weaken Our Lymphatic and Immune Systems

Humans may have been adorning their skin with tattoos for centuries, but recent research has raised a few alarm bells. Published in the Proceedings of the National Academy of Sciences (PNAS) last week, the new study revealed that tattoo ink may have an adverse effect on our lymphatic systems, potentially disrupting how our bodies respond to vaccines.

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December 1, 2025

Gramma the Galapagos Tortoise, Oldest Resident of the San Diego Zoo, Dies at 141

Gramma, a Galapagos tortoise known for being the oldest animal in the San Diego Zoo, has died at about 141 years old. Born in her native habitat on the Galapagos Islands, her caretakers weren’t sure about her exact age. But what they did know is that she spent almost a century delighting visitors and serving as a beacon for conservation efforts around this endangered species.

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December 1, 2025

Research Shows Chimps Can Revise Their Choices Based on Evidence Like Humans Do

Chimpanzees have long been considered clever creatures, but just how intelligent they are continues to be researched. A new study recently published in Science tested whether chimpanzees are metacognitive thinkers. In order to determine this, the great apes had to complete a series of five experiments of increasing complexity to see if they could learn from their mistakes.

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November 30, 2025

You Can Explore the Wild Peruvian Amazon in a Luxury Riverboat

The epic Amazon Basin covers a vast area of mostly untouched wilderness that remains largely unexplored. Since you can only get there by river, luxury travel company Abercrombie & Kent (A&K)has created a way to experience it on their new riverboat, Pure Amazon. Launched in mid-2025, this modern five-star boat takes guests through the wildlife-rich wetlands of the Pacaya-Samiria National Reserve. The stunning reserve is Peru’s largest protected area, covering 8,000 square miles.

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