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Could dark energy be more dynamic than we thought? In this episode of Tiny Show and Tell Us, we cover a recent dark energy discovery that has us contemplating what the end of the universe might look like, and then we delve into if hydrangeas can actually absorb water through their petals (ahem, sepals).

We need your stories — they're what make these episodes possible! Write in to tinymatters@acs.org *or fill out this form* with your favorite science fact or science news story you found captivating for a chance to be featured in a future episode!

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The opening ceremony of the 2024 Summer Olympics is two short days away. As over 10,000 athletes gather in Paris, France, anticipation builds. But that anticipation is not just for the next 19 days of fierce competition, it’s also for the Seine. The Seine River is set to host events including the 10 kilometer marathon swim and the triathlon, but as the Games approached, much of the testing showed that the Seine was still teeming with dangerous levels of E. coli and other bacteria. And a lot of people are asking, "why is this river so dirty?" In today’s episode, we’re going to get into the interesting history of how people have dealt with sewage, from Mesopotamia times to today, and how the Seine, as well as a river Sam knows well — the Potomac — are trying to clean up their acts. We'll dive into questions like, 'Will it ever be legal to swim in the Potomac?' 'Did Thomas Crapper actually invent the cra... um, toilet?' 'How do you clean up dilapidated old mines that are poisoning a river?' and more.

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In this episode of Tiny Show and Tell Us, we cover a recent story about how spending time outdoors can help keep kids from becoming nearsighted and the mysterious absence of skeletons at the site of the Battle of Waterloo despite over 10,000 soldiers dying (and how the beet sugar industry may have played a gruesome role).

Here's a link to 'Bones of contention: the industrial exploitation of human bones in the modern age' by Bernard Wilkin and Robin Schäfer.

We need your stories — they're what make these episodes possible! Write in to tinymatters@acs.org *or fill out this form* with your favorite science fact or science news story you found captivating for a chance to be featured in a future episode and WIN a Tiny Matters coffee mug!