Jefferson’s bible is an amazing artifact. It provides insight into Jefferson’s views and his handiwork, an amazing illustration of how this founding father himself practiced the freedom of religion so avidly sought for all Americans. […]
Are Women More Emotional Than Men? This idea that men and women think, talk, and understand things differently has existed for decades—inspiring books, college courses, research studies, and countless sitcoms. The truth is much more complicated and nuanced. […]
Examine the nuances of alternating and direct currents, see how transformers use electromagnetic induction to transform voltage levels in AC circuits, and observe the role of diodes and capacitors in regulating current. See how the DC power supplies that charge our cell phones are constructed so that they convert alternating to direct current. […]
One enduring mystery of modern science is why it happened where and when it did. Had modern science emerged in late Greco-Roman antiquity, in 11th- or […]
Flowering plants arrived relatively late in geological time, between 290 to 145 million years ago. But once here, they evolved quickly and often displaced many other types of plants. In fact, in terms of species, flowering plants are the dominant plant form on Earth today with more than 300,000 types. Learn how their unique reproductive mechanisms led to this explosion of speciation in such a relatively short time.
The human eye is a spectacularly complex organ that is fascinating to behold. Take a closer look at the structure and function of your eyes. The eyes […]
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