Different cell types in the body all share the same DNA. Their differences come from how their genes are controlled. One control element is the enhancer, a region of DNA that turns genes on and off.
The finding solves a longstanding mystery, originally presented by Nobel Prize-winning physicist John Bardeen and astrophysicist Jacobus Petterson in 1975.
For the first time, China Wednesday successfully launched a rocket from a mobile launch platform in the Yellow Sea, sending two technology experiment satellites and five commercial satellites into space.
The number of extreme downpours increased steadily between 1964 and 2013 -- a period when global warming also intensified, according to research published in the journal Water Resources Research.
As air pollution threatens everyone -- from unborn babies to children walking to school, to people cooking over open fires -- scientists are employing a wide variety of technologies like high-altitude balloons and biosensors to monitor air quality to help in the fight against the global public health emergency.
Supersonic cruise missile BrahMos on Tuesday was test fired from the Integrated Test Range (ITR) at Chandipur in Odisha. The anti-ship version of the missile was launched around noon from the launch complex-3 of the ITR, Defence Research and Development (DRDO) sources said.
Researchers from Rice University in the US adapted laser-induced graphene (LIG) into small, metal-free devices that generate electricity.
"Our selection of these US commercial landing service providers represents America's return to the Moon's surface for the first time in decades, and it's a huge step forward for our Artemis lunar exploration plans," said NASA Administrator Jim Bridenstine.
A century ago, a few adventurous astronomers pointed their telescopes at the skies, observing one of the most famous solar eclipses that helped transform our understanding of the universe forever.
The new government at the Centre needs to pay lot more attention to science & technology, an eminent scientist said on Wednesday and raised the pitch for setting up science council of India for an efficient and focused approach towards research and development programmes.
On May 29, 1919, Astronomer Sir Arthur Eddington verified Einstein's theory by observing the apparent deflection of stars from their normal positions during a solar eclipse.
The severity of the damage, aspects of which occur even in the absence of nicotine, varies among popular flavours, the researchers said. Cinnamon and menthol were found to be particularly harmful.
India on Monday successfully test fired an Akash-MK-1S missile from the integrated test range at Chandipur in Odisha, the defence ministry said.
NASA has launched the final stage of a four-year effort to develop a national traffic management system for drones, testing them in cities for the first time beyond the operator’s line of sight as businesses look in the future to unleash the unmanned devices in droves above busy streets and buildings.
It was the third flight for this particular booster, marking just the second time SpaceX has flown a Falcon 9 first stage more than twice.
Although it will be years before the first humans set foot on Mars, NASA is inviting the public to submit their names to fly to the Red Planet aboard the US space agency's Mars 2020 rover.
The Moon was formed when Earth was hit by a body about the size of Mars, also called Theia. The study showed that Theia comes from the outer solar system, and it delivered large quantities of water to Earth.
The Earth is the only terrestrial planet with a large amount of water and a relatively large moon, which stabilises the Earth's axis.
The countdown for the Wednesday launch of India's Polar Satellite Launch Vehicle (PSLV) carrying the radar imaging earth observation satellite, RISAT-2B began on Tuesday, said an ISRO official.
A region's climate has a greater impact than landscape on how many languages are spoken there, according to a study that mapped language diversity around the world. The research, published in the journal Nature Communications, found that areas with more productive climates tend to have more languages.
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