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New materials to be developed to repair eyes

UK researchers are developing new materials to create artificial corneas and contact lenses that can be manufactured in an environmentally friendly way. The project aims to reduce the financial impact of vision loss on individuals and the economy, with potential breakthroughs in treating age-related macular degeneration.

Melatonin makes old bones stronger

Researchers at McGill University discovered that melatonin supplements increase bone volume and density in elderly rats, making them stronger. This finding suggests that melatonin may be a useful tool in combating osteoporosis.

SourceMcGill University·JournalRejuvenation Research·DateMay 26, 2014

Tiny muscles help bats fine-tune flight, stiffen wing skin

Researchers at Brown University discovered that tiny muscles called plagiopatagiales embedded in a bat's wing membrane can adjust stiffness and curvature during flight, fine-tuning aerodynamic performance. The muscles tense on the downstroke and relax on the upstroke, working in synchrony to stiffen the wing.

SourceBrown University·JournalBioinspiration & Biomimetics·DateMay 23, 2014

Environmental conditions may impact bird migration

Wind speeds on migration predicted annual survival, male arrival date, female egg laying, and productivity of yellow warblers. Higher westerly wind speeds associated with lower apparent annual survival due to increased in-flight mortality risk.

SourcePLOS·JournalPLOS ONE·DateMay 14, 2014

Kessler Foundation expert authors article on social enterprise business models

The article highlights the potential of social enterprise businesses in creating employment opportunities for people with disabilities. The author, Elaine E. Katz, details two successful examples, Hudson Community Enterprises and Destination Desserts, which have generated revenue and provided market-driven pay rates for employees.

SourceKessler Foundation·JournalJournal of Vocational Rehabilitation·DateMay 12, 2014

When newlyweds believe in sharing household chores, follow-through is everything

A University of Illinois study found that dividing household tasks affects marital satisfaction mainly for wives, with equal sharing linked to happiness. Couples with similar expectations and behaviors are more satisfied, highlighting the importance of open communication in managing household labor.

European seafloor survey reveals depth of marine litter

A large-scale seafloor survey found widespread presence of bottles, plastic bags, fishing nets, and other types of human litter across European seas. Litter was found at all depths, from shallow waters to 4500-meter waters, with the highest density in submarine canyons.

SourcePLOS·JournalPLOS ONE·DateApr 30, 2014

Proving uncertainty: New insight into old problem

Researchers provide first rigorous formulation supporting Heisenberg's uncertainty principle, enabling precise characterization of information accessible in quantum experiments. The work highlights the fundamental limits of measurements in quantum physics and may corroborate the security of quantum cryptographic protocols.

SourceAmerican Institute of Physics·JournalJournal of Mathematical Physics·DateApr 29, 2014

Frozen in time: 3-million-year-old landscape still exists beneath the Greenland ice sheet

Researchers funded by NSF discover that some landscapes underlying the massive Greenland ice sheet may have remained undisturbed for almost 3 million years. The team analyzed chemical composition of silts from an ice core and found evidence of a continuous cover of Summit, Greenland, with minimal surface erosion during warmest periods.

Researchers question emergency water treatment guidelines

A new study questions the Environmental Protection Agency's emergency water treatment guidelines, suggesting they may be too harsh and impractical to carry out. The researchers found that using more chlorine bleach than necessary can kill disease-causing pathogens, but is often not feasible due to lack of proper equipment and supplies.

SourceAmerican Chemical Society·JournalEnvironmental Science & Technology·DateApr 16, 2014