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Playlist as aired on Saturday, April 11th, 2026

April 15th is this week. That’s when taxpayers and accountants join astronomers as being obsessed with endless numbers. Although, can anyone really grasp galaxies being millions of lightyears away?

Researchers recently found the farthest-ever galaxy, a smudge at a distance of 13 billion light years.But when light travels a long time through an expanding universe, bizarre things happen.

The Best of Our Knowledge explores topics on learning, science, and research.A species of beetle found living in ant colonies has developed a cloaking system to go undetected – but it could represent an evolutionary dead end.And scientists believe the fossilized skeleton of a two-pound dinosaur found in Argentina may offer new clues into dinosaur evolution.

The Trump administration is pushing to scale up oil and gas production in the US, despite heavy criticism and environmental concerns. It is urging the establishment of an 11th National Outer Continental Shelf Leasing Program to open up areas in Alaska, California, and the Eastern Gulf of Mexico. The Interior Department is advancing a new 5-year leasing program to increase oil and gas development, reversing prior restrictions.

On this week’s 51%, WAMC’s Sarah LaDuke learns about everyone’s favorite comfort show, Parks and Recreation, with pop-culture writer and historian Jennifer Keishin Armstrong. “Parks and Rec” ran on NBC from 2009-2015, capitalizing on the success of The Office and a sense of political optimism following the election of then-President Barack Obama. It brought us Little Sebastian and Galentine’s Day — but it was also always on the verge of cancellation. Keishin Armstrong’s new book, Parks and Rec: The Underdog TV Show that Lit’rally Inspired a Vision for a Better America, dives into the program’s history and what it means to viewers today.

Plastic pollution continues to wreak havoc on the planet. It can be found everywhere on Earth, from the highest mountain peaks to the deepest parts of the ocean. According to the National Resources Defense Council, nearly ten billion tons of plastic have been produced since the 1950s, with more than half created in just the past 25 years.

President Trump has complained extensively about environmental harms to whales posed by offshore windfarms, saying wind turbines are “driving them crazy” and leading to whale deaths up and down the Atlantic coast. However, both federal agencies and independent scientists have found no causal link between offshore wind development and whale deaths.

The Best of Our Knowledge explores topics on learning, education, and research.On this episode, we’ll the explore the phenomenon of musical daydreams.Our guest is Elizabeth Margulis, Director of the Music Cognition Lab at Princeton University. She writes about the ability of music to bring the listener to another time and place in her book, ‘TRANSPORTED: The Everyday Magic of Musical Daydreams.’

Data centers use vast amounts of water primarily for evaporative cooling, spraying it into the air or over coils to cool hot air generated by servers in order to keep the equipment from failing. The largest data centers can consume between 1 and 5 million gallons of water daily, with consumption rising during the summer.