A recent study found that humans and birds employ the exact same myoelastic-aerodynamic theory (MEAD) mechanism to produce sound. This discovery sheds light on the sophisticated vocal talents of songbirds and offers insights into the neural mechanisms underlying vocal learning in both humans and birds.
Researchers used walk-in field cages to study mating compatibility in fruit fly species complexes, revealing the potential of pheromone emission for species discrimination. This approach provides a semi-natural setting to assess mating behavior and attractiveness, crucial for developing targeted pest control methods.
European climate projections suggest enhanced probability of heatwaves in the coming decades, comparable to the worst heatwave since 1950 in Russia. The analysis shows that previous records were broken in 2010, with a similar heatwave expected at least once in 30 years under certain climate scenarios.
Researchers use CT scans and 3D models to study a 90-million-year-old skull, revealing that snakes evolved to live in burrows and lost their limbs as a result. The discovery confirms Dinilysia patagonica as the largest burrowing snake ever known.
Researchers developed a tool to measure consumers' 'brand embarrassment tendency', which determines how likely they are to feel shame or embarrassment when wearing certain brands. The study found that brands like Ed Hardy and Lonsdale trigger more brand embarrassment than others, affecting consumer buying intentions.
Researchers have developed a new hybrid structure that interacts strongly with electromagnetic radiation, enabling control over optical switches. The graphene-based material has the effect of focusing radiation into a smaller area than its wavelength.
A study at the University of Helsinki found that approximately half of elderly patients with acute subdural hematomas who undergo surgery can recover to an independent life. The researchers emphasize that the decision to operate should not be based solely on age, but rather on individual patient factors.
A study finds that CO2 pricing can improve public welfare by investing in infrastructure. The research shows that finance ministers can benefit from this approach, as it yields a positive economic effect. The authors suggest that price targets can be an effective tool for climate policy, particularly for countries like Canada and Chile.
Researchers found that the region was a frost-covered grassy landscape with erosion rates up to 2.5 higher than today's, suggesting colder temperatures and faster erosion during the last ice age. The study provides new insights into how non-glaciated terrain across North America was formed.
Researchers at UNSW Australia have identified a new molecular mechanism that contributes to synapse loss in Alzheimer's disease, which occurs early on and precedes nerve cell death. This discovery could lead to earlier diagnosis and new treatments.
A recent study by the University of the Basque Country found that altering lettuce growing conditions can enhance its nutritional quality. By subjecting plants to short-duration stresses, researchers were able to boost antioxidant compounds and increase biomass production without compromising productivity.
Democracy faces challenges from polarization and increasing inequalities, argues Charles Taylor. Michael J. Sandel warns of the corrosive effect of neoliberal ideology, which disengages citizens from public affairs. Rebuilding a shared civic life is also crucial, according to both thinkers.
Researchers have discovered a new strain of Candidatus Neoehrlichia in an Austrian red fox, sparking concerns about potential zoonotic transmission. The bacterium is genetically intermediate between two previously recognized forms and has been linked to flu-like symptoms in humans and pets.
At COP21, researchers from six European universities discuss the importance of political conditions and economic structures in shaping people's decisions to stay or migrate due to climate change. The main message emphasizes that drastic emission cuts can prevent projected climate migration.
Hurricane Sandra, the latest major hurricane on record in the Eastern Pacific, is forecast to make landfall in Western Mexico. It is expected to produce total rainfall accumulations of 1-3 inches over Baja California Sur, with isolated amounts reaching up to 10 inches.
A study published in Biology Letters found that the eye views of ponies and other mammals are surprisingly similar to those of humans. Researchers used touchscreens to test visual perception in three ponies, comparing their results with studies on dolphins and chimps.
A systematic review of 440 participants found that nail varnish affects oxygen saturation measurements by up to 2%, but this is within error margins and not significant in clinical practice. Modern devices with high-performance LED technology can accurately measure oxygen saturation despite nail varnish.
Researchers have developed a transistor that functions solely on a single molecule, eliminating the need for three electrodes. The switch's state can be altered using a single electron, offering new opportunities for ultra-small switches and increased integration densities.
A recent study has revealed that Earth's first large and complex organisms formed more intricate ecosystems than previously thought. The research focused on an extinct organism called Tribrachidium, which lived during the Ediacaran period, characterized by suspension feeding, a feeding mode not documented in ancient species.
A new special volume compiles research on tephritid fruit flies, a major agricultural pest worldwide. The study resolves species boundaries using multiple lines of evidence, improving the application of biologically-based pest control methods for international horticultural trade.