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Analytical Chemistry 4 hours ago

Sniff test for explosives detection extends its reach

Scientists have developed a way to detect tiny amounts of hard-to-detect explosives more than eight feet away, reducing the need to swipe clothing, luggage or other materials.

Social Sciences 4 hours ago

Romans were terrified by war elephants at first—but eventually found a way to defeat them in battle

Imagine, for a moment, you are a Roman soldier at war. In the midst of battle, you are confronted with an enormous and loudly trumpeting creature you've never seen before.

Evolution 6 hours ago

Smallest arm bone in the human fossil record sheds light on the dawn of Homo floresiensis

A paper appearing today in Nature Communications reports the discovery of extremely rare early human fossils from the Indonesian island of Flores, including an astonishingly small adult limb bone.

Plants & Animals Aug 5, 2024

Catching a star: A new species of starfish discovered in Japan

Researchers in Japan have discovered a new species of starfish. The discovery came about thanks to collaborative work among researchers, fishers, and aquarium and museum staff.

Astronomy Aug 5, 2024

Image: Hubble spies diminutive galaxy IC 3430 in the constellation Virgo

This NASA/ESA Hubble Space Telescope image reveals the subtle glow of the galaxy named IC 3430, located 45 million light-years from Earth in the constellation Virgo. This dwarf elliptical galaxy is part of the Virgo cluster, ...

Plants & Animals Aug 5, 2024

'New' herbicides in blackberry production could soon be an option for growers

Two "new" herbicide options could soon be available for blackberry growers during the 2025 growing season.

Cell & Microbiology Aug 5, 2024

Study analyzes potato-pathogen 'arms race' after Irish potato famine

In an examination of the genetic material found in historic potato leaves, North Carolina State University researchers reveal more about the tit-for-tat evolutionary changes occurring in both potato plants and the pathogen ...

Astronomy Aug 1, 2024

A new 'guest star' will appear in the sky in 2024 − a space scientist explains how nova events work and where to look

The stars aren't fixed and unchanging, unlike what many ancient people thought. Once in a while, a star appears where there wasn't one before, and then it fades away in a matter of days or weeks.

Earth Sciences Jul 31, 2024

Space hurricanes swirl in the Southern Hemisphere, mostly in summer

Space hurricanes are a recently discovered geomagnetic phenomenon in which plasma interacts with Earth's magnetosphere, the area of space dominated by Earth's magnetic field. Spiral arms of plasma, hundreds of kilometers ...

Space Exploration Jul 31, 2024

'The clock's already started': NASA counting down to most powerful human spaceflight ever

The launch clock isn't set yet, but the hardware is lined up for what would become the most powerful rocket to ever send humans into space during a moonbound trip the likes of which has not happened in more than 50 years.

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