Paul Arnold

There is an old adage that goes, "you are what you eat," meaning that the food you consume helps build your body and fuel your mind. The same is true now as it ever was. When it comes to early humans, studying what they ate ...

The human brain is an incredible organ, capable of constant adaptation and incredible flexibility. It can learn new skills and incorporate new experiences. And, according to a paper published in the journal Cell Reports, ...

TikTok's algorithm did not treat Democrats and Republicans equally during the 2024 US presidential election. According to a paper published in Nature, its recommendation system showed a Republican-leaning skew in three states. ...

Neanderthals may not only have feasted on rhinoceroses, they may also have used their exceptionally hard teeth as specialized tools for a range of tasks, such as retouching the edges of stone tools.

For years, quantum computers have lived under a huge bubble of hype, promising to revolutionize numerous fields, from medicine and battery design to materials science and cybersecurity. But realizing their potential on any ...

A new meta-analysis of 55 studies involving more than 3 million people has found that 31% of individuals with cannabis use disorder (CUD) also struggle with major depressive disorder (MDD). While a link between these two ...

Scientists have discovered the cause of a persistent glitch that continues to disrupt superconducting quantum computers, even when they have built-in defenses. For all their advanced hardware, superconducting quantum computers ...

There's more bad news about microplastics. We already know they pose a risk to health and can pollute ecosystems, but now researchers have discovered that tiny plastic particles drifting in Earth's atmosphere could be a significant ...

Weather forecasting is another aspect of modern life that artificial intelligence is transforming. Models like GraphCast, Pangu-Weather, and Fuxi are already better than traditional physics-based climate models at predicting ...

Omega-3 supplements are popular among many older adults to help combat age-related issues. They are often marketed as supporting cardiovascular health and reducing the risk of cognitive decline and dementia. However, a new ...

When cows burp, they send a substantial amount of methane gas into the air, which makes them a leading contributor to greenhouse gas emissions. According to research published in the journal Science, a newly discovered hydrogen-producing ...

Artificial intelligence can undoubtedly help scientists with their academic papers by summarizing research and helping to improve writing. However, one downside is that it has led to a wave of poorly written submissions and ...

Climate change threatens to cause increasingly extreme and variable temperature swings, affecting everything from urban infrastructure to global food supplies. In the animal kingdom, the hardest hit may be the youngest and ...

A pounding heart, shaking limbs, chills and a churning stomach—it's no wonder that fear is an emotion we usually try to avoid. At least most of the time. We may not like having the wits scared out of us in a real-life crisis, ...

An autonomous underwater glider is giving us a new and effective way to track sperm whales by tuning into their clicks and silently following them. To study these large oceanic predators, researchers need to monitor their ...