Search results for relativity

Space Exploration 5 hours ago

String of satellites baffles residents, bugs astronomers

A string of lights that lobbed across the night sky in parts of the U.S. on Wednesday, Thursday and Friday had some people wondering if a fleet of UFOs was coming, but it had others— mostly amateur stargazers and professional ...

Ecology May 08, 2021

Last wild macaw in Rio is lonely and looking for love

Some have claimed she's indulging a forbidden romance. More likely, loneliness compels her to seek company at Rio de Janeiro's zoo.

Space Exploration May 07, 2021

China's rocket out of control but risk of damage low, say experts

China's rogue rocket is in an uncontrolled free-fall towards Earth and no one knows where or exactly when it will burn through Earth's atmosphere, but the risk of debris hitting an inhabited area remains very small, experts ...

Evolution May 07, 2021

Massive molecular study uncovers clues to the evolution and diversification of essential plant family

The most comprehensive study of the family tree for legumes, the plant family that includes beans, soybeans, peanuts, and many other economically important crop plants, reveals a history of whole-genome duplications. The ...

Environment May 07, 2021

China's emissions now exceed all the developed world's combined

China now accounts for more greenhouse gas emissions than all of the world's developed nations combined, according to new research from Rhodium Group.

Planetary Sciences May 07, 2021

Perseverance Mars rover captures video, audio of fourth Ingenuity flight

For the first time, a spacecraft on another planet has recorded the sounds of a separate spacecraft. NASA's Perseverance Mars rover used one of its two microphones to listen as the Ingenuity helicopter flew for the fourth ...

Environment May 07, 2021

Why imported veg is still more sustainable than local meat

A former colleague who was a researcher and promoter of local food systems once argued that local meat markets connect children with reality. "If young people do not have a direct experience with food," he told me, "they ...

Environment May 07, 2021

Study helps to better understand the link between indoor and outdoor air quality

People spend about 80-90% of their time indoors. Compared to outdoor air quality, the indoor air quality is more relevant to people's health. Therefore, understanding the levels, sources and evolution of particulate matter ...

Molecular & Computational biology May 07, 2021

A deeper understanding of how cells move and stick together

Observing how cells stick to surfaces and their motility is vitally important in the study of tissue maintenance, wound healing and even understanding how cancers progress. A new paper published in The European Physical Journal ...

Plants & Animals May 07, 2021

From baby blue-tongues to elephant doulas: Motherhood across the animal kingdom

With Mother's Day around the corner, it's a good opportunity to ask what being a mother looks like across the animal kingdom. Most of us have a solid concept of human motherhood, but in nature maternal care comes in many ...

page 1 from 40