Polymers

Skin patch could painlessly deliver vaccines, cancer medications in one minute

Melanoma is a deadly form of skin cancer that has been increasing in the U.S. for the past 30 years. Nearly 100,000 new cases of melanoma are diagnosed every year, and 20 Americans die every day from it, according to the ...

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Chocolate muddles cannabis potency testing

In 2012, Washington and Colorado became the first states to legalize recreational marijuana. Since then, several other states have joined them, and cannabis-infused edibles, including gummy bears, cookies and chocolates, ...

The Amazon is on fire: Here are 5 things you need to know

Record fires are raging in Brazil's Amazon rainforest, with more than 2,500 fires currently burning. They are collectively emitting huge amounts of carbon, with smoke plumes visible thousands of kilometers away.

Complex quantum teleportation achieved for the first time

Austrian and Chinese scientists have succeeded in teleporting three-dimensional quantum states for the first time. High-dimensional teleportation could play an important role in future quantum computers.

Solar array feeds railway route in the UK

How well is the UK doing to seal a future of solar powered trains? Will connecting solar power directly to rail networks help meet a good enough share of electricity needs? Eyes are on a pilot scheme going on now and it ...

How diabetes can increase cancer risk

For years, scientists have been trying to solve a medical mystery: Why do people with type 1 or type 2 diabetes have an increased risk of developing some forms of cancer? Today, researchers report a possible explanation for ...

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New vaccine targets killer disease tuberculosis

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Energizing buildings

A wearable system to assist visually impaired people

New technological advances could have important implications for those affected by disabilities, offering valuable assistance throughout their everyday lives. One key example of this is the guidance that technological tools ...

Brain's astrocytes play starring role in long-term memory

Star-shaped cells called astrocytes help the brain establish long-lasting memories, Salk researchers have discovered. The new work adds to a growing body of evidence that astrocytes, long considered to be merely supportive ...

Laser-produced uranium plasma evolves into more complex species

When energy is added to uranium under pressure, it creates a shock wave, and even a tiny sample will be vaporized like a small explosion. By using smaller, controlled explosions, physicists can test on a microscale in a safe ...

Cheap combo pill cuts heart, stroke risks, study finds

A cheap daily pill that combines four drugs cut the risk of heart attacks, strokes and heart failure in a large study, suggesting it could be a good way to help prevent heart problems especially in poor countries.

Global appetite for beef, soy fuels Amazon fires

Two of the industries involved in the infernos consuming the Amazon rainforest and drawing the attention of global powers gathered at the G7 meeting in France are familiar to diners worldwide: soy and beef.

The causes and risks of the Amazon fires

Fires have been breaking out at an unusual pace in Brazil this year, causing global alarm over deforestation in the Amazon region. The world's largest rainforest is often called the "lungs of the earth." Here's a look at ...

Scientists explore outback as testbed for Mars

This week, scientists from NASA's upcoming Mars 2020 mission joined their counterparts from the joint European-Russian ExoMars mission in an expedition to the Australian Outback, one of the most remote, arid regions on the ...