The oldest crystals formed on Earth contain signs that continents existed during the Hadean Eon and were being subducted into the mantle more than 4 billion years ago. If true, this would not only ...

Parts of ancient Earth may have formed continents and recycled crust through subduction far earlier than previously thought. New research led by scientists at the University of Wisconsin–Madison has ...

Olivine cumulate from the Weltevreden Formation showing that although these cumulates are significantly altered, they still contain preserved unaltered olivine cores (microscopic image taken in ...

After widely rolling out the “Font size” setting last week, the latest Gboard for Android update lets you hide the period and comma keys. Under Gboard Settings > Preferences, you’ll find new toggles ...

Heidi Cope is a health and science writer based in Fort Worth, Texas. She often writes long-form, informational content about health, wellness, and disability, and enjoys interviewing healthcare ...

Long before continents, oceans, or life Earth was a molten inferno. The Hadean Eon (4.6 to 4.0 billion years ago) was a time of endless meteor impacts, volcanic seas, and a choking atmosphere. This ...

Most workers are offered family and medical leave or sick leave, but a rare employment benefit is getting renewed attention: Paid period leave. Her First 100K, a personal finance and career platform ...

Claire Coder, founder and CEO at Aunt Flow, in front of a dispenser of period pads and tampons. Once seen as a fringe issue, menstrual equity—the idea that access to free period products is a ...

AI models used ancient zircons to reveal Earth’s earliest crust chemistry, solving a long-standing geologic mystery. (CREDIT: CC BY-SA 4.0) In Earth’s early days, more than 4 billion years ago, the ...

In Earth’s early days, more than 4 billion years ago, the surface was a dangerous and unpredictable place. Violent volcanoes, crashing meteorites, and constant tectonic activity repeatedly resurfaced ...