Yearly Archives: 2018

Common weed killer linked to bee deaths

The world's most widely used weed killer may also be indirectly killing bees. New research from The University of Texas at Austin shows that honey bees exposed to glyphosate, the active ingredient in Roundup, lose some of the beneficial bacteria in their guts and are more susceptible to infection and death from harmful bacteria.

Scientists believe...

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How fruits got their eye-catching colors

Red plums. Green melons. Purple figs. Ripe fruits come in an array of greens, yellows, oranges, browns, reds and purples. Scientists say they have new evidence that plants owe their rainbow of fruit colors to the different animals that eat them.

That the bright red of a berry is a signal to hungry birds -- here...

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Desert ants have an amazing odor memory

Scientists at the Max Planck Institute for Chemical Ecology used behavioral experiments to show that desert ants are able to quickly learn many different food odors and remember them for the rest of their lives. However, their memory for nest odors seems to differ from their food odor memory: Whereas food odors are learned and...

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Know someone sick? Your own smell might give it away

Odors surround us, providing cues about many aspects of personal identity, including health status. Now, research from the Monell Center extends the scope and significance of personal odors as a source of information about an individual's health. A new paper in the open-access journal Scientific Reports reveals that the bodily odors of otherwise healthy animals...

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