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Chemistry

Prosperous Vikings whitewashed their walls

Archaeologists have found Denmark’s oldest lime kiln near a large Viking hall at a Viking settlement on the Danish island of Zealand.

Synthetic mussel adhesive sticks to anything

A new type of glue that can make any kind of materials stick together is currently being developed by Danish scientists. The glue can even glue wounds together and make objects stick under water – and if it breaks, the glue can repair itself.

Cold no curb on appetite

Living in a low temperature environment does not affect bacteria’s appetite for hydrocarbons, according to recent research. This new knowledge could affect environmental risk assessment in the Arctic.

Our homes are filled with soot nanoparticles from candle flames

Cozy candles and sizzling pans make Danish homes as polluted as a typical Beijing apartment, new study finds.

Mechanism behind weird membrane patterns revealed

See pictures of the mysterious cell membrane patterns that scientists discovered five years ago. The mechanism behind these patterns has now been uncovered.

Old concrete can purify rainwater

Strange as it may sound, concrete from your old bathroom can help make our environment greener. This is because concrete has a great ability to bind phosphorus, say the scientists behind a new project.

Decomposed organs reveal skeletons’ last days

Mercury analyses of the soil surrounding medieval skeletons reveal how the deceased spent their last days. The discovery may change the way archaeological excavations will be carried out in the future.

A new way of making complex anticancer compound

Ingenol, a substance known for its anticancer potential, has so far been extracted from plants, but now scientists have achieved the first efficient chemical synthesis of the substance.

Carbon may replace metal in mobile phones

A new technique gives scientists greater control in the production of carbon nanotubes. This may solve the problem of finding enough rare metals to produce electricity in the future.

New CO2 findings may unlock Mars secrets

Scientists have figured out how CO2 reacts with sunlight. The findings give a better understanding of atmospheric evolution on Earth and on other planets, not least Mars.