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A reconstruction of the Huc enzyme

Chemistry

Soil bacteria enzyme generates electricity from hydrogen in the air

An enzyme called Huc that the soil bacterium Mycobacterium smegmatis uses to produce energy from hydrogen has been analysed and now we know how it works

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LOS ANGELES, CA - NOVEMBER 03: Nicole Fahey, of Altadena, six months pregnant, receives a Pfizer vaccination booster shot from RN Veronique (cq) Vida (cq) at Eugene A. Obregon Park on Wednesday, Nov. 3, 2021 in Los Angeles, CA. The County of Los Angeles, including Supervisor Hilda L. Solis, Dr. Barbara Ferrer, Director of Public Health, and Norma Edith Garc?a-Gonz?lez, Director of Parks and Recreation, will host a media event kicking off COVID-19 vaccinations for children ages 5-11 in Los Angeles County. The COVID-19 vaccine manufactured by Pfizer and BioNTech is proposed to be given in two 10-microgram (mcg) doses administered 21 days apart. (Gary Coronado / Los Angeles Times via Getty Images)

Health

Covid-19 vaccines during pregnancy protect newborns from infection

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Earth

Gold hydrogen: Is there a huge reserve of clean fuel in Earth's crust?

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HEATA press image

Technology

Heating water with computer servers could save UK homes £150 a year

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Eco-friendly exoskeleton cuts apartment building energy use by 60%

Environment

Eco-friendly exoskeleton cuts apartment building energy use by 60%

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Wind turbine with black and white stripes

Life

Stripy wind turbines could prevent fatal seabird collisions

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Should you have children? The true costs and benefits of parenthood

Society

Should you have children? The true costs and benefits of parenthood

Features

HIV (green) infecting an immune cell

Health

Third person 'cured' of HIV after receiving stem cell cancer treatment

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Homes being tested inside the Energy House 2.0 climate-controlled chamber

Environment

Green home designs put to the test in giant climate-controlled chamber

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Black hole

Space

Dark energy may have been hiding in the cores of black holes all along

Observations of galaxy growth can be explained if the black holes at their centre contain dark energy, pointing to a possible role in the universe's expansion

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Environment

Is it greener to use gas or electricity to heat your home and cook?

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Health

Male birth control drug is 100 per cent effective in mice

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Environment

The 2000-watt energy saving challenge may be hard, but it’s worthwhile

Leader

Environment

The truth behind how to reduce your energy use and still live well

Features