Looking at a horsetail plant is like taking a step backward in time. During the Carboniferous period, over 350 million years ago, ancient relatives of horsetails flourished in the first forests on ...

Learn which herbs are worth growing, and which might be better to buy. Growing certain herbs such as basil and parsley from seed is cost-effective when used frequently, while more hard-to-find herbs ...

We have published an article describing a new calamitalean species named Annularia paisii with an insect gall about 303 million years old. This new fossil species was discovered in the region of São ...