Researchers have identified how Salmonella ‘persister’ cells can spread antibiotic resistance genes in mice intestines.
Cities are generally hotter than their surroundings, but what are the causes of these ‘heat islands’?
In this episode:
00:46 Antibiotic resistance reservoirs
Researchers have identified how Salmonella ‘persister’ cells can spread antibiotic resistance genes in mice intestines. Research article: Bakkeren et al.
08:12 Research Highlights
Bright barn owls stun prey, and the evolution of dog brains. Research Highlight: Zip-lining owls reveal what really scares their prey; Research Highlight: A dog’s breed is a window onto its brain
10:13 Urban heating
Cities are generally hotter than their surroundings, but what are the causes of these ‘heat islands’? Research Article: Manoli et al.
16:54 News Chat
A cryptic Russian radiation spike, and India’s moon mission gets closer to touchdown. News: How nuclear scientists are decoding Russia’s mystery explosion; News: ‘The most terrifying moments’: India counts down to risky Moon landing
“What is memory without forgetting?” asks Oliver Hardt, a cognitive psychologist studying the neurobiology of memory at McGill University in Montreal, Canada. “It’s impossible,” he says. “To have proper memory function, you have to have forgetting.”
A nanotube microprocessor: Scientists are looking beyond silicon, by constructing a computer chip using carbon nanotubes.
“A healthy diet and lifestyle are generally recognized as good for health, but this study is the first large randomized controlled trial to look at whether lifestyle changes actually influence Alzheimer’s disease-related brain changes,” said Susan Landau, a research neuroscientist at Berkeley’s Helen Wills Neuroscience Institute, and principal investigator of the add-on study.
The first question is often ‘why haven’t we been back?’ Fifty years since humans stepped onto the surface of a foreign planetary body there has not been another event to rival it. Not in space, nor back here on Earth.
