The 14th Street near U Street, a traditional African American neighborhood, is now lined up with hip restaurants and bars in this photo taken on Sunday

Despite only arriving in China three years ago, Australian professor Jeffrey Reimers has already had a significant impact on Shanghai's scientific communityAll these things are global issues that affect China, and China is doing its share to address these key issues

He is currently working on a project that involves protein crystallography, a vital element in drug design, and is collaborating with prominent Chinese scientist Hong Guo on research into silicon electronicsThree or four years ago, when my family and I were on the subway or a bus in Shanghai, people around would talk to usI once had a student come visit me and he was almost in tears after having to cross a road

"Hopefully when I'm done with my work here, the connection between the two universities will be further strengthened, and through that I will leave a legacy," Reimers saidShe now speaks perfect Chinese and even has a Beijing accent

What's the biggest challenge China faces today, and how do you think the country can overcome this? People focusing too much on themselves and the building of wealth, instead of interest for the community and the country

China needs to teach people in these countries how to go about managing certain issues, such as ensuring good government, how to prevent corruption, and how to focus on development in a sustainable way with clear end goalsIn the last 15 years, 43 Citation Laureates have gone on to receive Nobel honors, so the prize has been seen as an indicator of the Nobel prizes, introduced in memory of Swedish chemist Alfred Nobel (1833-1896)

Each year, analysts at Clarivate Analytics mine millions of citations in the Web of Science, an online subscription-based scientific citation indexing service, to identify top-tier researchers in physiology or medicine, physics, chemistry and economicsKaposi's sarcoma-associated herpesvirus is the infectious cause of this neoplasm

Here, we present some of the most striking images around the world this past weekChildren cool off themselves at a wading pool in Toronto, Canada, on Sept 24, 2017

(责任编辑：Astronomy News)