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Essential Science: Why telemedicine works with mental health

Telemedicine can trump face-to-face care in some situations. A new study shows how a telephone-delivered collaborative care program for treating panic and generalized anxiety disorders in primary care proves more successful than conventional care.

Essential Science: Sleep deprivation alters the brain differently

Sleep deprivation, over a long period, causes harm to the brain as well as increasing the risk of accidents. New research suggests the effect on the brain is not straightforward, with different regions and brain functions affected in varying ways.

Essential Science: Spider silk inspires new electronics

The silk spun by spiders to make a web seems to have little to do with the development of next generation electronics. However, scientists at Rice University have discovered band gaps in spider silk which could have a big impact on electronics.

Essential Science: Making dirty water drinkable

In many parts of the world water is not fit for people to drink. Technologies to render dirty water drinkable are limited by size and cost. Now a lower cost solution is on the horizon, based on graphene.

Essential Science: New cancer and alcohol warning

Auckland - Put down the glass and pause for a minute. A new scientific study associates alcohol with seven different types of cancer (not simply liver cancer.) Essential Science unpacks the evidence.

Essential Science: Taking on metabolic disorders with starch

A new study indicates that supplementing the diet of people with metabolic syndrome with resistant starch helps improve the condition. This happens by altering gut bacteria.

Essential Science: Linking infections and Alzheimer’s disease

There are several possible causes of Alzheimer’s disease. One are being looked at by medical researchers is a possible connection between the neurodegenerative disease and certain infections.

Essential Science: Flat lens leads advances in optics

A groundbreaking invention from U.S. scientists has shown how optics can be taken to a new level. The lens is an example of advancements in metamaterials, an emerging field in physics.

Essential Science: Ultrasonics used to carry data to body tissues

Some medical devices can be controlled wirelessly. This becomes more difficult the deeper the device is embedded. An advancement in ultrasonic signals heralds a new wave of remotely controlled, implanted medical devices.

Essential Science: Investigating the true nature of water

It might be thought that we know everything there is to know about water. However, many of the properties of the compound remain unclear to scientists. New research sheds some light.

Essential Science: Medical technology that can dissolve away

Tiny electronic sensors and devices are being developed as medical devices. These can be implanted in the body and then dissolve away without a trace. This avoids the risks involved with removing them.

Essential Science: Why strong bones are needed for space travel

One limitation with a deep space mission, such as to Mars, is the effect of microgravity on astronauts. To find ways to build-up resilience and maintain bone strength, scientists have, surprisingly, been studying fish.

Essential Science: Learn about the new field of neurogastronomy

Scientists aand chefs might appear as an unlikely combination, but representatives from each profession are working together within a new scientific field called neurogastronomy. The research area attempts to find out how the brain interprets flavor.

Essential Science: Artificial light disrupts wallaby reproduction

Perth - Humans are steadily "lighting up" the natural environment. However, new evidence shows artificial light disrupts animals' normal rhythms. This affects both defensive and mating behaviors.

What you should know about the top science stories of 2015 Special

2015 has been an exciting year for science news and insights. Digital Journal looks back at the year in science and selects the 12 most interesting stories that have impacted people's lives around the world.

Essential Science: Power paper can store electricity

Stockholm - Scientists have developed a new, very thin material with the ability to store energy. The material consists of nanocellulose and a conductive polymer. It has been dubbed "power paper."

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