Reproductive technology is an issue that grows more complicated and more controversial each day. Some experts believe that imminent reproductive techniques, like human cloning and germ-line genetic engineering, pose the risk of injuries so frequent and so serious that they should be prohibited completely. Others believe this technology has endless medical possibilities and should be used to its fullest potential. A new book by a University of Missouri-Columbia researcher helps create a road map for determining when and how to regulate risky reproductive technologies on behalf of future children.
“The premise of this book is that the interests of future children are frequently misunderstood,” said Philip Peters, MU professor of law and director of the MU Biotechnology and Society Program. His book, How Safe is Safe Enough? Obligations to the Children of Reproductive Technology, was published recently by Oxford University Press. “Confusion arises because children who owe their lives to a life-inducing technology, yet are born with injuries, could not have been born without their injuries. For them, the only alternative to life with their injuries was never living at all. Daunted by this comparison, regulators rely instead on their untutored instincts or else leave the matter entirely to the fertility industry.”
In his book, Peters offers lawmakers a coherent and comprehensive framework for identifying the circumstances in which the use of a life-inducing procedure places the interests of the resulting child in jeopardy. Peters provides a plan for balancing those risks against the procreative liberty of prospective parents.
Rainbow colors reveal cell history: Uncovering β-cell heterogeneity
22.09.2017 | DFG-Forschungszentrum für Regenerative Therapien TU Dresden
The pyrenoid is a carbon-fixing liquid droplet
22.09.2017 | Max-Planck-Institut für Biochemie
Plants and algae use the enzyme Rubisco to fix carbon dioxide, removing it from the atmosphere and converting it into biomass. Algae have figured out a way to increase the efficiency of carbon fixation. They gather most of their Rubisco into a ball-shaped microcompartment called the pyrenoid, which they flood with a high local concentration of carbon dioxide. A team of scientists at Princeton University, the Carnegie Institution for Science, Stanford University and the Max Plank Institute of Biochemistry have unravelled the mysteries of how the pyrenoid is assembled. These insights can help to engineer crops that remove more carbon dioxide from the atmosphere while producing more food.
A warming planet
Our brains house extremely complex neuronal circuits, whose detailed structures are still largely unknown. This is especially true for the so-called cerebral cortex of mammals, where among other things vision, thoughts or spatial orientation are being computed. Here the rules by which nerve cells are connected to each other are only partly understood. A team of scientists around Moritz Helmstaedter at the Frankfiurt Max Planck Institute for Brain Research and Helene Schmidt (Humboldt University in Berlin) have now discovered a surprisingly precise nerve cell connectivity pattern in the part of the cerebral cortex that is responsible for orienting the individual animal or human in space.
The researchers report online in Nature (Schmidt et al., 2017. Axonal synapse sorting in medial entorhinal cortex, DOI: 10.1038/nature24005) that synapses in...
Whispering gallery mode (WGM) resonators are used to make tiny micro-lasers, sensors, switches, routers and other devices. These tiny structures rely on a...
Using ultrafast flashes of laser and x-ray radiation, scientists at the Max Planck Institute of Quantum Optics (Garching, Germany) took snapshots of the briefest electron motion inside a solid material to date. The electron motion lasted only 750 billionths of the billionth of a second before it fainted, setting a new record of human capability to capture ultrafast processes inside solids!
When x-rays shine onto solid materials or large molecules, an electron is pushed away from its original place near the nucleus of the atom, leaving a hole...
For the first time, physicists have successfully imaged spiral magnetic ordering in a multiferroic material. These materials are considered highly promising candidates for future data storage media. The researchers were able to prove their findings using unique quantum sensors that were developed at Basel University and that can analyze electromagnetic fields on the nanometer scale. The results – obtained by scientists from the University of Basel’s Department of Physics, the Swiss Nanoscience Institute, the University of Montpellier and several laboratories from University Paris-Saclay – were recently published in the journal Nature.
Multiferroics are materials that simultaneously react to electric and magnetic fields. These two properties are rarely found together, and their combined...
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