The last woolly mammoths offer new clues to why this species died out
DNA: (short for deoxyribonucleic acid) A long, double-stranded and spiral-shaped molecule inside most living cells that carries genetic instructions.
SpaceX’s Polaris Dawn crew set to attempt the riskiest spacewalk yet
When astronauts perform spacewalks, or extravehicular activities (EVAs), on the International Space Station, they don their suits and enter a sealed room.
Stranded ISS astronauts reveal the US space programme is not in crisis
Wilmore and Williams will have to stay on the ISS a bit longer, but they are veteran astronauts and have the experience and equipment to jump right into daily life in space until they can be brought safely back to Earth.
AI and brain implant enables ALS patient to easily converse with family ‘for 1st time in years’
The interface converts neural signals right into message with over 97% accuracy. Key to our system is a collection of synthetic knowledge language versions– fabricated neural networks that help analyze natural ones. Challenges remain, such as making the technology a lot more accessible, mobile and sturdy over years of usage. Despite these obstacles, speech brain-computer...
Another blow for dark matter as biggest hunt yet finds nothing
LUX-ZEPLIN, a dark matter detector made of 7 tonnes of liquid xenon buried 1.5 kilometres underground, is the most sensitive yet – but after 280 days of searching, it hasn’t found any WIMPs.
Mantle waves buoy continents upward and bedeck them with diamonds
Waves in the underlying layer known as the mantle can scour off the keels of continents, buoying their surfaces upward to form prominent landforms far from any active plate boundaries, researchers propose in the Aug. 8 Nature.
Metal gives the teeth of Komodo dragons their super strength
The biggest monitor, the venomous Komodo dragon, can reach lengths of 3 meters, weigh in at more than 90 kilograms 200 pounds, sprint at speeds of 20 kilometers (13 miles) per hour, and eat up to 80 percent of its body weight at a single sitting.
Birth of a hurricane: What meteorologists look for as they hunt for early signs of a tropical cyclone forming
Recognizing the early stages in the life cycle of a hurricane has been very challenging because there aren't large numbers of surface stations and weather balloons to provide detailed atmospheric information over the open ocean.
Here are 5 exoplanet mysteries the James Webb telescope could help solve
For instance, a surface covered in the black rock basalt would hint at the presence of volcanoes, like on many planets in our solar system.
Why NASA is sending a probe to Europa – and what it’s looking for
This, in addition to hints of geophysical activity – such as the rusty lines that streak its surface – and complex chemistry, is why Europa has long captivated astronomers searching for habitable worlds beyond our pale blue dot.
Evolution: Facts about the processes that shape the diversity of life on Earth
Lamarck believed that traits or characteristics that were utilized regularly would expand stronger and larger, while those that weren’t utilized would progressively vanish. He likewise thought that any kind of qualities that were improved via use might be passed down to spawn. A whole lot of individuals have wisdom teeth that as soon as aided...
Most climate policies do little to prevent climate change
The researchers found 69 of these emissions “breaks” and compared them with a database compiled by the Organisation for Economic Co-operation and Development (OECD) that tracks what types of climate policies were enacted when.