Science

If America is dominated by auto culture and the reputation of the open road, there is a big reason for it: In the past 65 years, the United States has spent nearly $ 10 trillion in public spending on freeways and roads, and only a quarter…

A test flight to explore ways to cool the earth by blocking sunlight will not take place as planned in Sweden in June after environmentalists, scientists and indigenous groups have raised objections.The Swedish Space Agency announced this…

Americans who are fully vaccinated against Covid-19 can travel “at low risk to themselves” both in the US and internationally. However, you still need to take precautions such as: B. wearing a mask in public, avoiding crowds, maintaining…

LOS ANGELES - Three days after his release from Martin Luther King Jr. Community Hospital, Gilbert Torres returned on a stretcher. A clear hose snaked from his nose to an oxygen tank. It was the last place he wanted to be.But 30-year-old…

The Centers for Disease Control and Prevention responded Thursday to controversial comments from their director, Dr. Rochelle P. Walensky, back and suggested that people vaccinated against the coronavirus never get infected or pass the…

When assessing government-funded research projects - presumably a cleaner company - I re-asked the questions that people in crises keep asking me. Is this study useful in any way to my son or sister? Or, more generously, given the pace of…

According to a new study, adding bike lanes to urban roads can increase the number of cyclists in an entire city, not just on the streets with new bike lanes. The result contributes to a growing body of research suggesting that investing…

Tropical forests around the world were being destroyed at an increasing pace in 2020 compared to the previous year, despite the global economic downturn caused by the pandemic, which reduced the demand for some commodities that have…

Chemotherapy has difficult side effects, and the radiation causes a burning sensation that makes it difficult to swallow. "The food won't go down," said Ms. Mordecai. "You just feel lazy."The next step is major surgery. A doctor removes…

The Pfizer BioNTech coronavirus vaccine is extremely effective in adolescents ages 12 to 15, perhaps even more effective than it is in adults, the companies reported on Wednesday. No symptomatic infections were found in children who…