Tennessee’s clearest lake water is usually found in deep reservoirs fed by mountain rivers or in the open water near a dam. Watauga and South Holston have the strongest direct descriptions of clear water from the Tennessee Valley Authority, while federal monitoring supplies transparency or algae data for several other reservoirs. The numbered entries below…
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Nebraska’s biggest lakes are mostly reservoirs built to store water, reduce flood risk or support power generation. Using the full surface of any lake that touches Nebraska, Lewis and Clark Lake ranks first at about 31,000 acres. Lake McConaughy follows closely at 30,000 acres when full, while Harlan County Lake is a distant third at…
Open water swimming has gained a reputation as a tough outdoor habit, yet a national Scottish survey suggests many swimmers value it most for how it affects the mind. In a 2023 study in PLOS ONE, researchers analyzed answers from 717 swimmers and found that mental wellbeing was the most important self-reported benefit in every…
Astronaut sleep looked thin long before launch and stayed thin in orbit in a 2014 study that tracked crews on both space shuttle missions and the International Space Station. Researchers followed 64 astronauts across 80 shuttle missions and 21 astronauts across 13 ISS missions, then compared sleep in flight with sleep during preflight training and…
