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The first encounters between European settlers and Native Americans are captured on a wood engraving in this 1888 image. DigitalVision Vectors

Indigenous Peoples Day offers a reminder of Native American history − including the scalping they endured at the hands of Colonists

Popular culture often describes scalping − the forceful removing of a person’s scalp − as an indigenous practice. But white settlers accelerated this form of violence against Native Americans.
Photograph of the first Solvay Conference in 1911 at the Hotel Metropole. Heike Kamerlingh Onnes is standing third from the right. Benjamin Couprie/Wikimedia Commons

Superconductivity at room temperature remains elusive a century after a Nobel went to the scientist who demonstrated it below -450 degrees Fahrenheit

Superconductivity may sound like science fiction, but the first experiments to achieve it were conducted over a century ago. Heike Kamerlingh Onnes, credited with the discovery, won a Nobel Prize in 1913.
The course of nanotechnology, like the carbon nanotubes in this laboratory, has been guided by many stakeholders. VCG/VCG via Getty Images

Navigating the risks and benefits of AI: Lessons from nanotechnology on ensuring emerging technologies are safe as well as successful

Two decades ago, the nanotechnology revolution avoided stumbling by bringing a wide range of people to the table to chart its development. The window is closing fast on AI following suit.
Messenger RNA carries the instructions for life from DNA to the rest of the cell. ktsimage/iStock via Getty Images Plus

What is mRNA? The messenger molecule that’s been in every living cell for billions of years is the key ingredient in some COVID-19 vaccines

In the spotlight for its role in COVID-19 vaccines – and a Nobel Prize – mRNA is not a new invention. It’s a crucial messenger molecule at work every day in every cell in your body.
The U.S. government is the single largest buyer of services and goods, like vehicles. That has an impact on the economy. Saul Loeb/AFP via Getty Images

Climate change is about to play a big role in government purchases – with vast implications for the US economy

The Biden administration directed agencies to consider the cost of greenhouse gas emissions in their future purchasing and budget decisions. An example shows just how much is at stake.
Each year, services on St. Francis’ feast day draw humans and animals alike to the Cathedral of St. John the Divine in New York. Lokman Vural Elibol/Anadolu Agency via Getty Images

Birds, worms, rabbits: Francis of Assisi was said to have loved them all – but today’s pet blessings on his feast day might have seemed strange to the 13th century saint

Medieval monastics were often discouraged from owning companion animals, which were viewed as a distraction, a religion scholar explains.
New research hints at how psychedelics can trigger rapid, lasting change. wildpixel/iStock via Getty Images Plus

Psychedelics plus psychotherapy can trigger rapid changes in the brain − new research at the level of neurons is untangling how

Change in the brain usually comes with plenty of effort over time. Neuroscientists are working to understand how psychedelic drugs provide a shortcut that seems to rely on existing brain systems.
Astronomers can estimate ages for stars outside the Solar System, but not planets. Corbis Historical via Getty Images

How do astronomers know the age of the planets and stars?

Measuring the ages of planets and stars is tricky. An observational astrophysicist describes the subtle clues that provide good estimates for how old different space objects are.
Sen. Bob Menendez and his wife arrive at the U.S. District Court in New York City on Sept. 27, 2023. Timothy A. Clary/AFP via Getty Images

Feinstein’s death raises the question: How are vacant Senate seats filled?

California’s governor has already announced his pick for the the seat, Laphonza Butler. Here’s more on the state-by-state process for replacing a senator who has died, is facing criminal charges or has serious illness.
The intersection of politics and social media is fertile ground for AI-powered disinformation. AP Photo/John Minchillo

AI disinformation is a threat to elections − learning to spot Russian, Chinese and Iranian meddling in other countries can help the US prepare for 2024

ChatGPT and its ilk give propagandists and intelligence agents a powerful new tool for interfering in politics. The clock is ticking on learning to spot this disinformation before the 2024 election.

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