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Plants & Animals 17 hours ago

How many insects are there—and why do we need them?

There are an estimated 10 quintillion insects alive on Earth at any given time. That's 10,000,000,000,000,000,000 individual insects. But how many species are there, why do we need them, and what would happen if their numbers ...

Veterinary medicine 18 hours ago

Kissing bugs can spread potentially fatal Chagas disease when dogs eat them

In the southern United States and across Latin America, kissing bugs can bite people and pets both outdoors and when they enter homes. While not every kissing bug carries disease, these insects can spread a parasite that ...

Cell & Microbiology 18 hours ago

Beyond infections, bacteria reveal promise for making medicines and protecting crops

Bacteria get a bad reputation—with all the outbreaks, infections and deaths.

Astronomy 19 hours ago

Astronomers uncover the engine behind the most powerful stellar flares in the Kepler field

A new study led by researchers at the Konkoly Observatory of the HUN-REN Research Centre for Astronomy and Earth Sciences (HUN-REN CSFK) in Budapest has revealed what makes a distant red giant star the most explosively active ...

Planetary Sciences Oct 20, 2026

Rare solar radiation storm gives scientists clearest picture yet of flight risks

The most comprehensive data set ever collected from Earth's atmosphere during a solar radiation event has highlighted the importance of better-coordinated radiation monitoring for aviation safety, according to new research ...

Evolution Oct 20, 2026

Caribbean islands were once the center of diversity for barn owls

Legend has it that a giant elfin, owl-like creature called the chickcharney haunts the islands of the Bahamas. Those who encounter this cryptid on cordial terms are said to be blessed with good luck. Those who disrespect ...

Plants & Animals Oct 20, 2026

Feral—and threatened? Endangered camels, banteng and hog deer have found an unexpected refuge in Australia

Millions of large feral animals roam Australia. Pigs, camels, deer, horses, water buffalo, cattle and goats were introduced deliberately as transport, livestock or to hunt. Many have since established wild populations.

Space Exploration Oct 20, 2026

Using eyedrops in space—wearable patch offers a new approach

Applying eyedrops is difficult in space, where there is almost no gravity. A KAIST research team has developed a wearable patch that delivers eyedrops to the eye without relying on gravity. The research team was led by Professor ...

Superconductivity Oct 20, 2026

'Smoking gun' may help solve mystery of high-temperature superconductivity

Superconductivity has many important practical applications, including creating powerful magnets used in high-resolution medical scans, transporting electricity efficiently and building ultrasensitive measuring devices. Until ...

Earth Sciences Oct 20, 2026

Filling the gaps in global rainfall maps

Global rainfall maps are built from observations collected by multiple satellites, but they have an important limitation. The satellites that provide these measurements cannot see the whole Earth at once. As a result, some ...

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