Purple martin migration behavior perplexes researchers

Purple martins will soon migrate south for their usual wintertime retreat, but this time the birds will be wearing what look like little backpacks, as scientists plan to track their roosting sites along the way.

Sulfide-sensing mechanisms in purple bacteria

Recent evidence demonstrates that the origins of photosynthesis can be found in deep sea hydrothermal vents, where microbes evolved to obtain energy from ejected hydrogen sulfide and methane gases. These microbes are capable ...

Researchers develop nutrient-rich purple potato

Purple potatoes might not be the first thing that comes to mind when trying to increase vitamin, mineral and antioxidant intake. However, a group of researchers from Colorado State University have recently developed potato ...

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