Headlines

Greenhouse gases hit record highs, yet again

Levels of carbon dioxide (CO₂) and other major greenhouse gases in the atmosphere reached unprecedented highs in 2025, locking in more long-term warming for the planet, according to a new report from the World Meteorological Organization (WMO).

Human and chimpanzee leaders share a taste for risk

People in leadership positions tend to rate themselves as more risk-loving than those without leadership responsibilities—and a similar pattern emerges among chimpanzees: High-ranking individuals are perceived as more risk-taking than their lower-ranking peers. This is the

How AI planning could create financial market fragility

Wharton experts are raising concerns about AI-driven financial market manipulation and runaway technology in a new paper titled "Financial Market Fragility in the Era of AI Planning." Finance professor Winston (Wei) Dou, finance and economics professor Itay Goldstein and Hong

Earth may have formed much of its water as the planet grew

Earth may have produced much of its water during the planet's formation, as rocky pebbles reacted with the hydrogen-rich atmosphere surrounding the young planet, according to new research published in Nature Geoscience. The findings offer a potential explanation for how Earth

Extreme weather drives support for green voting in Europe

In representative democracies, it is important that climate change policies are developed through transparent processes and with citizen representation, which in turn requires an understanding of how climate-related events influence public support for such policies.

Marine molecule may help combat 'brain-eating' amoeba

Primary amoebic meningoencephalitis (PAM), a parasitic disease that causes the rapid deterioration of brain tissue, is one of the most lethal infections known, with a fatality rate exceeding 97%. Caused by the free-living amoeba Naegleria fowleri (N. fowleri), the disease

When Texas Bat “Cities” Look Like Thunderstorms

Weather apps generally modify their default settings to remove such scenes from Doppler radarviews. Otherwise, live-feed watchers would think a torrential downpour is imminent The post When Texas Bat “Cities” Look Like Thunderstorms appeared first on Nautilus .

Backward motion is easier to judge at walking speed

When we walk forward, the scene ahead spreads outward from a central point. Moving backward produces the opposite pattern, with the scene appearing to contract inward. These patterns, known as optic flow, help us judge our movement through the world. Previous studies have

Take a Look at the Country’s Newest National Park

It may take a while to become as famous as Yosemite, the Grand Canyon, or Monument Valley, but the 12,000-acre Chiricahua area in southeast Arizona just became the 64th national park in the U.S. Known as “the wonderland of rocks,” Chiricahua was shaped by ancient volcanic

The secret to slower aging may be hiding in your gut

The secret to aging more slowly may be hiding in your gut. Scientists discovered that certain gut bacteria are strongly linked to how quickly the body ages, with microbial differences accounting for about 15% of the variation in biological aging rates. Some bacterial species

How a samurai classic shared Japanese values with the West

In 1899, Inazo Nitobe published a book in English called "Bushido: The Soul of Japan." Nitobe was born into a samurai family and later became a Christian. He wrote the book after a Belgian legal scholar asked him how Japan taught morality without religious instruction in its