'Whodunnit' of Irish potato famine solved

An international team of scientists reveals that a unique strain of potato blight they call HERB-1 triggered the Irish potato famine of the mid-19th century.

We now know how insects and bacteria control ice

Contrary to what you may have been taught, water doesn't always freeze to ice at 32 degrees F (zero degrees C). Knowing, or controlling, at what temperature water will freeze (starting with a process called nucleation) is ...

A newly discovered protein repairs DNA

Researchers from the University of Seville, in collaboration with colleagues from the Universities of Murcia and Marburg (Germany) have identified a new protein that makes it possible to repair DNA. The protein in question, ...

Newly discovered protein in fungus bypasses plant defenses

A protein that allows the fungus which causes white mold stem rot in more than 600 plant species to overcome plant defenses has been identified by a team of U.S. Department of Agriculture Agricultural Research Service and ...

'Fountain of youth' for leaves discovered

What plant scientists call senescence, consumers experience as wilted produce and overripe fruit. A team led by Cornell horticulture professor Su-Sheng Gan has identified an enzymatic fountain of youth that slows the process ...

Bumble bee disease, reproduction shaped by flowering strip plants

Flowering strips—pollinator-friendly rows of plants that increase foraging habitat for bees—can help offset pollinator decline but may also bring risks of higher pathogen infection rates for pollinators foraging in those ...

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