New potentially hazardous asteroid discovered

An international team of astronomers on Monday announced the discovery of a large asteroid whose orbit crosses that of Earth, creating a small chance far in the future of a catastrophic collision.

Researchers' novel tool to help develop safer pesticides

The majority of commercial chemicals that enter the market in the United States every year have insufficient health and safety data. For pesticides, the U.S. Environmental Protection Agency uses a variety of techniques to ...

Referential alarm calls increase vigilance in brood parasite hosts

Yellow warblers are hosts to brood parasitic brown-headed cowbirds, which rely on other species to raise their offspring. Warblers use referential "seet" calls to warn female warblers specifically of the brood parasitic brown-headed ...

'Unboil an egg' machine creates improved bacteria detector

Traditional fluorescent dyes to examine bacteria viability are toxic and suffer poor photostability—but using the VFD has enabled the preparation of a new generation of aggregation-induced emission dye (AIE) luminogens ...

100th lunar asteroid collision confirmed by second telescope

Since March 2017, ESA's NELIOTA project has been regularly looking out for 'lunar flashes' on the moon, to help us better understand the threat posed by small asteroid impacts. The project detects the flash of light produced ...

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