Infertility affects one in seven men of reproductive age worldwide. One idea for treating male sterility is spermatogonial stem cell (SSC) therapy. In this approach, sperm stem cells in the testis are transferred to a test ...
Molecular & Computational biology
Jul 13, 2020
3
266
From the Nile to the Mississippi and from the Amazon to the Yangzi, human civilization is inextricably linked to the great rivers along which our societies developed. But rivers are mutable, and the benefits they bestow can ...
Environment
Jul 13, 2020
4
251
The impacts of extreme heatwaves amplified by climate change are going unrecorded in sub-Saharan Africa, making it nearly impossible to detect patterns and set up early warning systems, researchers said Monday.
Environment
Jul 13, 2020
0
104
The COVID-19 pandemic presents an opportunity to transform food systems and achieve sustainable development. But the lively policy debate on which policy approach will promote agricultural development in Africa still prevents ...
Economics & Business
Jul 13, 2020
0
5
Antibiotic resistance is a growing challenge in the treatment of infectious diseases worldwide. Bacteria become resistant to antibiotics by acquiring or mutating genes that allow them to survive the administration of antibiotics, ...
Evolution
Jul 13, 2020
0
63
The world can expect more rainfall as the climate changes, but it can also expect more water to evaporate, complicating efforts to manage reservoirs and irrigate crops in a growing world, according to a Clemson University ...
Earth Sciences
Jul 13, 2020
0
68
A cutting-edge vibration sensor may improve the next generation of gravitational-wave detectors to find the tiniest cosmic waves from the background hum of Earth's motion.
Astronomy
Jul 13, 2020
0
17
Researchers from the Peter the Great St.Petersburg Polytechnic University (SPbPU) have discovered and theoretically explained a new physical effect: amplitude of mechanical vibrations can grow without external influence. ...
General Physics
Jul 13, 2020
8
1689
A billion years ago, a single-celled eukaryote engulfed a cyanobacterium—an organism capable of converting the sun's energy into food in the form of carbohydrates. In one of the single most pivotal events in the history ...
Molecular & Computational biology
Jul 13, 2020
3
78
Deaths from COVID-19 will have a ripple effect causing impacts on the mental health and health of surviving family members. But the extent of that impact has been hard to assess until now. Every death from COVID-19 will impact ...
Social Sciences
Jul 13, 2020
1
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