27 articles from SATURDAY 7.12.2019

Satellite mega-constellations stir a debate over avoiding catastrophic orbital crashes

The retired commander of the U.S. Strategic Command says the tens of thousands of satellites that SpaceX, OneWeb and Amazon are planning to put into orbit over the next few years will require a new automated system for space traffic management — and perhaps new satellite hardware requirements as well. Retired Gen. Kevin Chilton laid out his ideas for dealing with potentially catastrophic orbital...

Katrina Karkazis: ‘You can’t use testosterone levels to divide people into male or female’

The cultural anthropologist on why our view of testosterone as the male sex hormone skews both science and societyKatrina Karkazis, a senior research fellow at Yale University, is a cultural anthropologist working at the intersection of science, technology, gender studies and bioethics. With Rebecca Jordan-Young, a sociomedical scientist, she has written Testosterone: An Unauthorised Biography. It...

We need to learn how to relax, without guilt

Being busy all the time is part of the way we live. But, whether gardening, reading or spacing out on the sofa, taking time to rest is just as importantI’m not very good at resting. When I told friends that after writing books covering emotions, time perception and the psychology of money I had started writing one on rest, their first reaction was usually, “But you’re always working. You...

Closing critical gap in weather forecasting

Scientists working on the next frontier of weather forecasting are hoping that weather conditions 3-to-4 weeks out will soon be as readily available as seven-day forecasts. Having this type of weather information--called subseasonal forecasts--in the hands of the public and emergency managers can provide the critical lead time necessary to prepare for natural hazards like heat waves or the next...

Fossil fuel groups 'destroying' climate talks: NGOs

Oil and gas groups were accused Saturday of seeking to influence climate talks in Madrid by paying millions in sponsorship and sending dozens of lobbyists to delay what scientists say is a necessary and rapid cut in fossil fuel use.

Experiment closes critical gap in weather forecasting

Scientists working on the next frontier of weather forecasting are hoping that weather conditions 3-to-4 weeks out will soon be as readily available as seven-day forecasts. Having this type of weather information—called subseasonal forecasts—in the hands of the public and emergency managers can provide the critical lead time necessary to prepare for natural hazards like heat waves or the next...

E1912 follow-up shows ibrutinib effective, well tolerated by majority of CLL patients

The ECOG-ACRIN Cancer Research Group today announced results from extended follow-up of patients in its randomized Phase 3 clinical trial, E1912. Previously untreated patients (aged 70 or younger) with chronic lymphocytic leukemia (CLL) who received ibrutinib-based therapy lived longer and with sustained benefit, compared to standard FCR chemoimmunotherapy. The updated analysis supports the...

Women, exercise and longevity

Women who can exercise vigorously are at significantly lower risk of dying from heart disease, cancer and other causes. The research is presented today at EuroEcho 2019, a scientific congress of the European Society of Cardiology (ESC).