New platinum-free photocatalyst turns sunlight and water into renewable energy
A small beaker of water can look ordinary. Under the right light, it can also become a quiet…
Study finds microbes used oxygen far earlier than scientists thought
Oxygen fills the air today, but for most of Earth’s early history it barely existed. Scientists say the…
Chemists convert plastic waste into a powerful new tool to capture carbon dioxide
Carbon dioxide levels keep climbing, even after years of promises to cut emissions. At the same time, plastic…
Air pollution linked to an increased risk of developing ALS, study finds
A recent large study conducted in Sweden has found that long-term exposure to elevated levels of air pollution…
Hidden Martian deltas point to an ancient ocean covering half of Mars
Three billion years ago, you could have stood on Mars and watched a river spill into a sea.…
New map shows Antarctica’s buried landscape in unprecedented detail
Picture Antarctica not as a smooth, frozen plain, but as a rugged world of mountains, valleys, and deep…
Scientists convert cigarette butts into new material for fast, durable energy storage
Billions of cigarette butts end up on sidewalks, beaches, and gutters each year. They are small, easy to…
Scientists engineer bacteria to produce lower calorie, healthier sugar
For more than a century, food scientists have searched for ways to satisfy a sweet tooth without the…
Antarctica’s ice sheet losses could rebound — if history can repeat itself
Headlines about melting ice sheets usually focus on what is lost and then move on. What comes next…
Fusion reactors may be the key to uncovering dark matter particles
Nuclear fusion is often framed as a future source of clean energy. A new theoretical study is looking…
New transparent window material could cut building energy loss by 50%
In most buildings, windows remain the most vulnerable part of the structure when it comes to energy loss.…
White rocks on Mars point to ancient rainfall and a wetter planet
Light-colored rocks scattered across Mars have become a quiet clue to a louder story about the planet’s past.…