8 Best Trees to Plant Along Your Street
Are you looking for a curbside tree that can tolerate compacted, infertile soil and the general environment found in cities and along streets and sidewalks? We have eight recommendations for…
Planet Earth
How to Identify 8 Common North American Fir Trees
True firs are in the genus Abies and there are between 40 and 55 species of these evergreen conifers worldwide. They’re members of the pine family (Pinaceae) and can be…
8 Places Where You Can (Safely) Watch Lava Flow
Hiking up an active volcano isn’t an activity for the faint of heart. The rough terrain, dramatic temperature changes, hours-long physical activity—oh, and risk of a volcanic eruption sending lava…
10 Stunning Plants and Sea Creatures on the Ocean Floor
The ocean is full of uncharted territory—and of breathtaking natural wonders that look as though they might hail from another planet. Underwater plants and sea life are teeming with color…
Trees with Pinnate Leaves: Hickory, Ash, Walnut
Are you wondering which North American trees have pinnate leaves? Below, you’ll find out about the most common trees with a pinnated leaf structure—hickory, ash, walnut, and a few others—and…
Everything You Need to Know About Clouds
We stare at clouds all the time, whether trying to figure out what they look like or if they’re bringing rain. Yet most of us know very little about clouds,…
Hardwood Trees: Identifying Types of Trees
Hardwoods, known as broadleafs, are trees classed as angiosperms with ovules enclosed for fruit protection. When appropriately watered on good fertile sites or fed in the landscape with a unique…
10 of the Windiest Places in the World
Determining the “windiest place on Earth” depends on how you quantify wind speed. Places with fast average winds rarely experience significant gusts, and besides, gusts are recorded at ground level…
Identify Maple, Sycamore, and Sweetgum Leaves
Maple tree leaves are distinct, but that shape doesn’t belong to this tree’s leaves alone—many broadleaf trees have maple-like leaves. Like the maple tree, several broadleaf trees have leaves whose…
The 15 Tallest Mountains in the World
Freezing weather, thin air, avalanches … there’s a reason why climbers spend years training to tackle the world’s highest peaks. These massive mountains, many of which were formed by volcanic…