Tara Jo Holmberg

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A shot in the arm for old antibiotics

Slipping bacteria some silver could give old antibiotics new life, scientists report. This could pave the way for new therapies for drug-resistant …

New research backs genetic 'switches' in human evolution

A new study offers further proof that the divergence of humans from chimpanzees some 4 million to 6 million years ago was profoundly influenced by …

Mosses Make Two Different Plants From the Same Genome, and a Single Gene Can Make the Difference

Two plants in one. Both are mosses, but they look wildly different. Creative Commons ndrwfgg. Click image for license and link.<p>One of the most …

Scientists Have Solved The Mystery Of The White Tiger's Coat

The strikingly beautiful, milky coats of white tigers are caused by a single change in a known pigment gene, a new study finds.<p>Since their discovery in the Indian jungle centuries ago, white tigers, a variant of Bengal tigers (Panthera tigris tigris), have had a certain mystique. Captive white …

Wildlife

Genetically-engineered mosquitoes find humans less attractive

Scientists worked with Aedes aegypti, which transmits dengue and yellow fever. Modified mosquitoes showed a reduced preference for humans’ …

Biology

The fastest-evolving fish on the planet

<b>U. MICHIGAN (US) —</b> Often called “living fossils,” the prehistoric-looking sturgeon are actually evolving very quickly when it comes to body …

Got A Wound? Science Says Rub Some Dirt In It

Antibacterial clays can kill antibiotic-resistant E. coli and MRSA, researchers found.<p>The colloquial medical advice "rub some dirt in it" appears to have some merit. Researchers at Arizona State University's Biodesign Institute have been experimenting with different clays, and it appears in …

E. coli bacteria 'can produce diesel biofuel'

<b>A strain of bacteria has been created that can produce fuel, scientists say.</b><p>Researchers genetically modified <i>E. coli</i> bacteria to convert sugar into an oil that is almost identical to conventional diesel.<p>If the process could be scaled up, this synthetic fuel could be a viable alternative to the …

Gene could rejuvenate old hearts

Old or damaged hearts could be regenerated simply by switching off a gene which prevents cells from dividing, researchers have claimed.<p>The hearts of newborns have the remarkable capacity to heal themselves after injury by generating new heart cells but we lose this ability shortly after birth.<p>Now …

Scientists Sequence Genome Of 'Living Fossil' Fish

Scientists have unraveled the genome of the coelacanth, a rare and primitive fish once thought to be extinct, shedding light on how closely it's related to the first creatures to emerge from the sea.<p>The coelacanth, a fish that can reach up to 5 feet long and lives in deep ocean caves, had only been …

Glowing plants could act as biological night lights

Humans have a lot in common with magpies. We gravitate toward shiny things.<p>It's easy, then, to see why the Glowing Plants project on Kickstarter has more than doubled its goal and still has 38 days to go. It's a fascinating mix of botany, science, and unexpected glowing things.<p>Some people can boast …