Airlines have taken steps to reduce their carbon footprints under the gaze of public opinion, but the pressure of the bottom line means some fly with extra fuel, boosting emissions of climate-changing greenhouse gases.
Environment
Nov 20, 2019
1
12
Adding energy to any material, such as by heating it, almost always makes its structure less orderly. Ice, for example, with its crystalline structure, melts to become liquid water, with no order at all.
Condensed Matter
Nov 12, 2019
0
8604
The original 1892 manuscript laying out the premise of the modern Olympic Games will be auctioned in December in New York, Sotheby's announced Wednesday.
Other
Oct 24, 2019
0
2
After a decade of booming enrollment by students from China, American universities are starting to see steep declines as political tensions between the two countries cut into a major source of tuition revenue.
Education
Sep 23, 2019
0
4
In general, both men and women perform better in competitive situations. However, when women are in a state of elevated stress, competition has the opposite effect and leads to worse performance. As a consequence, women under ...
Social Sciences
Sep 18, 2019
0
17
Purple clothing, gold trimmings, earrings and two- or four-wheeled carriages. Among the elite, competition for status superiority was just as vital to women as it was to men in Rome around 2000 years ago. This has been demonstrated ...
Archaeology
Sep 13, 2019
0
20
For some school children, PE is the best lesson of the week—a chance to leave the desk behind, get outside, and enjoy a run around with friends. For others, it is a frequently miserable experience—a time when they feel ...
Education
Aug 30, 2019
1
9
Science, technology, engineering and mathematics (STEM) education is a priority for governments around the world. For example, the UK's current commitment to increasing investment in research and development to 2.4% of GDP ...
Education
Aug 22, 2019
0
6
As the dramatic shutdown of major recycling company SKM this week has illustrated, recycling is not free.
Environment
Aug 1, 2019
0
49
When using conventional methods, it usually takes relatively long to breed new plant varieties with favourable characteristics. On the other hand, precision breeding with genetic scissors such as CRISPR-Cas can significantly ...
Biotechnology
Jul 30, 2019
0
10
