Science and Technology

A closer look at water-splitting's solar fuel potential

Science Daily - 1 hour 25 min ago
Scientists have gained important new insight into how the performance of a promising semiconducting thin film can be optimized at the nanoscale for renewable energy technologies such as solar fuels.

Herbicide harming marsupial health and development, research finds

Science Daily - 1 hour 25 min ago
Researchers exposed the adult female tammar wallabies to atrazine contaminated water throughout pregnancy, birth and lactation to help establish the extent of harm being caused by the chemical. They then examined the reproductive development of their young by assessing their growth and development to establish that the herbicide is causing major abnormalities in the male reproductive system in many animals.

Spintronics: Researchers show how to make non-magnetic materials magnetic

Science Daily - 1 hour 25 min ago
A complex process can modify non-magnetic oxide materials in such a way to make them magnetic. The basis for this new phenomenon is controlled layer-by-layer growth of each material.

Impact of climate change on tropical fisheries would create ripples across the world

Science Daily - 1 hour 25 min ago
Seafood is the most highly traded food commodity globally, with tropical zone marine fisheries contributing more than 50% of the global fish catch, an average of $USD 96 billion annually. Available scientific evidence consistently shows that tropical marine habitats, fish stocks and fisheries are most vulnerable to oceanic changes associated with climate change. However, telecoupling, or linkages between distant human-natural systems, could generate cascades of climate change impacts from the tropics that propagate to other 'extra-' tropical natural systems and human communities globally.

Promising new research identifies novel approach for controlling defects in 3D printing

Science Daily - 17 hours 25 min ago
Scientists use temperature data to tune -- and fix -- defects in 3D-printed metallic parts.

Herbivores, not predators, most at risk of extinction

Science Daily - 19 hours 33 min ago
One million years ago, the extinction of large-bodied plant-eaters changed the trajectory of life on Earth. The disappearance of these large herbivores reshaped plant life, altered fire regimes across Earth's landscapes, and modified biogeochemical cycling in such a way that Earth's climate became slightly colder.

Turning carbon dioxide into liquid fuel

Science Daily - 19 hours 33 min ago
Chemists report a new electrocatalyst that converts carbon dioxide and water into ethanol with very high energy efficiency, high selectivity for the desired final product and low cost.

An iconic Native American stone tool technology discovered in Arabia

Science Daily - 19 hours 33 min ago
A new article examines fluted projectile points from southern Arabia, detailing production methods and technical aspects that indicate differences in function from the technology of the Americas, despite similarities in form. Findings from experimentation and comparative analysis suggest that highly-skilled, convergent technologies can have varying anthropological implications.

Researchers use InSight for deep Mars measurements

Science Daily - 19 hours 33 min ago
Using data from NASA's InSight Lander on Mars, seismologists have made the first direct measurements of three subsurface boundaries from the crust to the core of the red planet.

Ammonia sparks unexpected, exotic lightning on Jupiter

Science Daily - 19 hours 33 min ago
NASA's Juno spacecraft -- orbiting and closely observing the planet Jupiter -- has unexpectedly discovered lightning in the planet's upper atmosphere, according to a multi-institutional study.

Move over Akita: Introducing 'Kuma mutant' mice for islet transplantation research

Science Daily - 05/08/2020
Scientists have used a gene editing technique to establish a novel mouse model of permanent neonatal diabetes -- the immune-deficient Kuma mutant mice with a specific deletion in the Insulin2 (Ins2) gene. This model is expected to be useful for studying the mechanisms governing insulin-producing cell dysfunctions in the pancreas as well as for evaluating human stem-cell derived or interspecies-derived insulin-producing cell transplantation.

Ammonia-rich hail sheds new light on Jupiter's weather

Science Daily - 05/08/2020
New Juno results suggest that the violent thunderstorms taking place in Jupiter's atmosphere may form ammonia-rich hail, or 'mushballs', that play a key role in the planet's atmospheric dynamics.

New Guinea has the world's richest island flora

Science Daily - 05/08/2020
New Guinea is the most floristically diverse island in the world, an international collaboration has shown. The study presents a list of almost 14,000 plant species, compiled from online catalogues and verified by plant experts. The results are invaluable for research and conservation, and also underline the importance of expert knowledge in the digital era.

Land use changes may increase disease outbreak risks

Science Daily - 05/08/2020
Global changes in land use are disrupting the balance of wild animal communities in our environment, and species that carry diseases known to infect humans appear to be benefiting, finds a new study.

The yin and yang of inflammation controlled by a single molecule

Science Daily - 05/08/2020
Researchers have now identified a protein called histone deacetylase 3 (HDAC3) as the orchestrator of the immune system's inflammation response to infection. By using both specially cultured cells and small animal models, HDAC3 was found to be directly involved in the production of agents that help kill off harmful pathogens as well as the restoration of homeostasis, the body's state of equilibrium. This work shows that some of the methods being tested to fight cancer and harmful inflammation, such as sepsis, that target molecules like HDAC3 could actually have unintended and deadly consequences.

Ocean heatwaves dramatically shift habitats

Science Daily - 05/08/2020
Marine heatwaves across the world's oceans can displace habitat for sea turtles, whales, and other marine life by 10s to thousands of kilometers. They dramatically shift these animals' preferred temperatures in a fraction of the time that climate change is expected to do the same, new research shows.

Dinosaur relative's genome linked to mammals: Curious genome of ancient reptile

Science Daily - 05/08/2020
Biologists have sequenced the genome of the tuatara, a lizard-like creature that lives on the islands of New Zealand.

Manifestation of quantum distance in flat band materials

Science Daily - 05/08/2020
A research team found a way to measure the quantum distance of Bloch states in solids by applying magnetic field.

Gut microbes shape our antibodies before we are infected by pathogens

Science Daily - 05/08/2020
Because the microbiota is so complex, containing hundreds of different bacterial species, it is not known how the presence of microbes in the intestine shaped the antibodies that are present even before we are challenged by an infection. Researchers have now shown how these beneficial microbes reprogram the repertoire of white blood B cells that produce antibodies and how this helps counter infections.

Sustainable chemistry at the quantum level

Science Daily - 05/08/2020
Scientists are now using new quantum chemistry computing procedures to categorize hypothetical electrocatalysts that are 'too slow' or 'too expensive', far more thoroughly and quickly than was considered possible a few years ago.

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