According to conventional wisdom, the compound microscope was invented at the beginning of the seventeenth century and made possible the immediate discovery of cells. This is nonsense. The textbook ...

During the Archean Eon—roughly 4 billion years ago—the Earth was a lifeless planet. The atmosphere lacked oxygen, and there were few, if any, organisms to be found anywhere on the globe. Then ...

A home machinist and microscopy enthusiast has documented a detailed technical conversion of a scanning electron microscope (SEM) into a transmission electron microscope (TEM), demonstrating that ...

For the first time ever, scientists are attempting to reverse cellular aging in a living patient. The target: incurable vision loss. The risk: cancer.

Since the 1980s, researchers have sought to use laser light to control chemical reactions relevant to photochemistry, catalysis and light-responsive materials. But this technique, known as coherent ...

Scientists have developed a material that converts ordinary sunshine into UV light, opening new possibilities for ...

Aurora borealis fans, tonight is for you. The National Oceanic and Atmospheric Administration (NOAA) is predicting "active" geomagnetic activity for Saturday night going into early Sunday morning.

We may receive a commission on purchases made from links. When you feel compelled to grow your own food but lack the space or time to cultivate a formal garden, a hydroponic garden is a great ...

Today:Early fog in the far southwest clears quickly. Most areas stay dry with sunshine and variable cloud, though northern and northeastern regions may see isolated showers. Light winds overall, ...