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The US Rivers With The Highest PFAS Levels
Near wastewater outfalls, PFAS ran highest on South Carolina's Pocotaligo among six US rivers tested, measured in river water and not household taps.
The Rivers Where Trout Grow Largest
The Rivers Where Trout Grow Largest. Arkansas tailwaters have produced browns near forty pounds, while steelhead and rainbows grow big on sea time and salmon.
2026's 11 Most Scenic UK Towns
Discover 11 scenic towns in the UK, where dramatic coastlines, mountain landscapes, and centuries of history make the setting part of the experience
9 Best Natural Wonders To Visit In Portugal This Year
Portugal's nine natural wonders include the Douro Valley's terraced vineyards, Algarve sea caves, Azores volcanic craters, and Madeira's old laurel forest.
How Far North Armadillos Have Reached
How Far North Armadillos Have Reached. Breeding populations hold near the fortieth parallel, but one wanderer turned up in Indiana just shy of Michigan.
Why Evidence Suggests Dark Energy Is Weakening
Although our leading minds have barely more than a theoretical grasp on what dark energy is, it appears to be weakening.
Who Were The Roman Army’s Most Dangerous Enemies?
The Roman army met its match against Carthage, Parthia, the Sasanians, and the Germanic tribes, from Cannae in 216 BCE to the Teutoburg Forest in 9 CE.
2026's 9 Best Small Towns To Visit In New South Wales
These may be among New South Wales’ smaller towns, yet they always go big in natural beauty, rich local culture, and exciting adventures.
The American Power Plants Built Inside A Mountain
From Tennessee's Raccoon Mountain to Washington's Boundary Dam, several U.S. power plants run their turbines deep inside excavated mountain rock.
11 Best Towns On the Pacific Coast For A Two-Day Recharge
The Pacific Coast has beachside towns perfect for a weekend getaway, offering relaxing coastal walks, activities like tide-pooling, and museums.
How Much Of The Colorado River Mexico Actually Gets
Mexico gets 1.5 million acre-feet of the Colorado River a year under a 1944 treaty, just under 10%. Why nearly all of it is used up before the river reaches the sea.
The US Lakes With The Highest Mercury Levels
The fish look healthy, but EPA tests found the highest mercury levels in these US lakes. See which catches state health officials say to limit or avoid.
Where Manatees Travel Farthest North
Where Manatees Travel Farthest North. Florida manatees follow warm water up the Atlantic coast, and one reached Cape Cod Bay, the northernmost on record.
Emerald Tree Boa
Emerald Tree Boa facts, from its green camouflage, heat-sensing lip pits, and prehensile tail to its live-born red young in the rainforests of South America.
Which Planet Is The Coldest?
Uranus, not more distant Neptune, reaches the lowest temperature of any planet, about -372°F, while Mercury gets colder at night than anywhere on Earth.
Why Denali Is Harder To Climb Than Everest
Lower summit, harder climb. Thin polar air, 100-pound loads, and rescue that can be days away make Denali a tougher test than Everest for most climbers.
Why Rome Could Never Conquer Nubia
Rome conquered many different civilizations but was never able to establish a permanent foothold in Nubia, a region of great significance in Ancient Egypt.
7 Underrated California Towns Worth the Drive in 2026
Seven California towns worth the detour, from Pioneertown and Solvang to Ojai, Tiburon, Sonoma, Solana Beach and Ramona in the San Diego back country.
The Island That Changed My Mind About Toronto
A ten-minute ferry from downtown Toronto reaches Center Island, with sandy Great Lakes beaches, a pier, rental bikes and the oldest lighthouse.
11 Underrated Ohio Towns Worth the Drive in 2026
11 Underrated Ohio Towns Worth the Drive in 2026. Ride a horse-drawn canal boat in Coshocton, see Sugarcreek's cuckoo clock, and find Christmas in Medina.
What New Horizons Is Still Finding In The Kuiper Belt
NASA's New Horizons probe woke from a 321-day hibernation in June 2026, some 6 billion miles from Earth, and continues to study Pluto and the Kuiper Belt.
10 Worst Byzantine Emperors
Ranking the Byzantine emperors whose cruelty, cost-cutting and failed schemes did lasting damage to the Eastern Roman Empire.
Which Planet Could You Survive on Longest?
Mars gives a suited astronaut the best survival odds of any planet beyond Earth, while Venus's heat and the giant planets' crushing depths prove far deadlier.
Who Were The Greatest Generals In Ancient Greece?
Discover how Ancient Greece’s greatest generals used strategy, diplomacy, and military innovation to change the course of the ancient world.
Why Were Roman Emperors Constantly Afraid Of Assassination
To be a Roman emperor meant great power and responsibility. However, it also came with a greatly increased likelihood of assassination.
How The Andes Compare To The Rockies
Mount Elbert is the highest point in the Rockies and would not make the Andean top fifty. How the two ranges compare, and the statistic that ends the argument.
The Richest Countries In Europe 2026
Europe has been an economic hub of the world for centuries. Strong banking and manufacturing sectors and embracing free trade have been key to its success.
10 Underrated South Carolina Towns Worth the Drive in 2026
Oyster roasts in Bluffton, dawn Thoroughbred workouts in Aiken, a 135-foot peach in Gaffney: 10 underrated South Carolina towns worth the drive in 2026.
The Richest Countries in North America 2026
In 2025, the U.S., Canada, and Panama lead North America in GDP per capita, reflecting diverse economic strengths and strategies.
The States With More Farmland Than People
Eight US states have more farmland than people, with farm operations covering over half their land and fewer than 100 residents per square mile.
How Much of America Drains Into the Mississippi River?
The Mississippi-Atchafalaya basin drains about 41% of the contiguous US, over 1.245 million square miles, and the Missouri subbasin alone supplies 43% of it.
The Shortest Mountain Range In The United States
The Sutter Buttes rise about 10 miles across the Sacramento Valley, a worn-down volcano widely called the shortest mountain range in the United States.
11 Underrated Michigan Towns Worth the Drive in 2026
Michigan towns under two hours from a major airport, with a Dickens festival in Holly, a magic museum in Marshall, and the Polar Express locomotive in Owosso.
How Much Of The World's Fresh Water Sits In North America?
North America holds roughly one-quarter of the world’s fresh surface water, with the Great Lakes alone accounting for about 21% of the global supply.
The Busiest Cargo Ports
Cargo ports allow for mass transportation of goods by sea. Here are the largest and busiest cargo ports in various states.
How Big Lake Superior Is Compared To Entire States
Lake Superior spans 31,700 square miles, larger than 10 US states by total area and nearly the size of South Carolina, plus a 2,726-mile shoreline.
What Is The Thailand-Cambodia Border Dispute
A border drawn more than a century ago still divides Thailand and Cambodia, with disputed temples and territory keeping tensions alive today.
How Big Alaska Is Compared To The Lower 48
Alaska is one fifth the size of the Lower 48 and bigger than Texas, California and Montana combined. Why the maps you grew up with got it wrong twice.
African Countries With Islam As The Religion Of The Majority
In 19 African countries, Islam serves as the religion of the majority.