Semen stored since 1968 in a laboratory in Sydney has been defrosted and successfully used to impregnate 34 Merino ewes, with the resulting live birth rate as high sperm frozen for just 12 months.
For rapid freezing of a biopsy sample taken from a patient, the standard procedure uses liquid nitrogen. However, this is not allowed inside the operating room. The consequence is a laborious procedure causing unnecessary ...
Worldwide, the chemical industry uses catalysts—substances that facilitate chemical reactions—in about 90% of all chemical manufacturing processes as a means of optimizing energy use and reducing greenhouse gas emissions. ...
It's 4 a.m., and I've been up for about 20 hours straight. A loud alarm is blaring, accompanied by red strobe lights flashing. A stern voice announces, "Searching station B. Exit immediately." It feels like an emergency, ...
A team of researchers from the Institute of Physical and Mathematical Sciences and Information Technologies of Immanuel Kant Baltic Federal University (BFU), together with their colleagues from Gebze Technical University, ...
Scientists have discovered fresh insights into the metallic core at the centre of our planet.
It is one of the most accurate measurement instruments available today: the high-performance microscope at the Institute of Applied Physics of TU Wien acquires images of individual atoms by moving the tip of a fine needle ...
In the 1970s, a NASA employee stepped up to a challenge posed by the National Institutes of Health or NIH: to freeze bone marrow.
Researchers at Oregon State University have taken an important step toward a more convenient, less expensive means of preserving mammalian cells for in vitro fertilization, species conservation, cell therapy and other purposes.
As the genetic modification of mice is increasingly prevalent in medical and biological research, so, too, is the need for an efficient way to transport cryopreserved embryos and sperm.
Mar 17, 2019
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