Len Rosen's blog

SpaceX Delivers Dragon to ISS and Completes Controlled Descent of Rocket Booster

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The latest resupply mission to the International Space Station (ISS) by SpaceX, Elon Musk's private company, met several milestones last week. First it delivered almost 3,500 pounds of supplies, including a space garden for growing vegetables, and legs for the on-board robot, Robonaut-2. But even more interesting was what happened at the back end of the launch.

It is Easier to be Selectively Aware of Science Today Than Face Our Future with the Facts

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Last night I watched an HBO documentary called "Questioning Darwin." It took an in-depth look at those who reject Darwin's theory of natural selection on grounds of faith in the words of the Judeo-Christian Bible. At the same time it presented the personal journey of Darwin from his roots to his presentation of his theories in the book, "The Origin of the Species," in which he described the mechanism of natural selection, the theory upon which our scientific understanding of how life evolves on this planet.

Organ Regeneration Technology Versus 3D Bio-Printing - Which Will Win?

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Which will it be? Will we regenerate organs using stem cells and switching on genes to rebuild diseased or damaged organs? Or will we take a patients own cells and bio-print organs using 3D printers? Both technologies are showing promise based on recent reports.

Skin Cells Soon Will Treat Alzheimer's and Parkinson's Patients

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DNA extracted from the skin of a 35- and a 75-year-old male has been injected into four denucleated human eggs to produce clones of the skin donors. The stem cells extracted from these embryos matches their male donors. The company involved is in the business of regenerative medicine focused on replacing malfunctioning or damaged cells with healthy ones.

Arctic Ice Melt Season Increasing Several Days Per Decade Says Study

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The Arctic is the one area of the globe most susceptible to atmospheric warming and according to the latest data from the National Snow and Ice Data Center and NASA, the season of sea ice melt continues to lengthen every decade.

Beer Under Threat from Climate Change

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Watch what happens when beer drinkers around the world find out that because of climate change a pint of their favorite beer and ale may cost much more, and taste different as well.

One of Canada's Biggest Banks Looks at the Economics of Weather Events

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The Toronto-Dominion Bank, currently vying for the number one position in Canada, and a growing player in the United States, issued on April 14 a special report, Natural Catastrophes: A Canadian Economic Perspective. The document doesn't directly talk about climate change but it is inferred throughout. Instead, it talks about "weather conditions" and their socioeconomic impact.

Mars Rover Gets Spring Dusting on Mars - Embarks on Two Year Trek

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Opportunity, the little Martian rover, continues to click after a decade on the planet's surface. It is a remarkable story that the technology continues to function providing new discoveries for scientists here on Earth. Opportunity's original mission along with its companion, Spirit, was for 90 days.

Pee in Space is Not Only Useful for Drinking Water but also for Fuel

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Yesterday my blog posting focused on NASA's efforts to involve the public in designing better oxygen recovery systems. So today I thought we should look at the question of recycling other things that come out of humans. We're talking about pee.

Headlines: NASA Seeks Better Oxygen Recovery Systems for Spaceflights

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Historically, one of the biggest challenges faced by both Soviet and U.S. space programs is related to keeping the air inside spacecraft breathable. The future of human activity in space requires a better solution. In its latest initiative, NASA, the American space agency, hopes to achieve a better recovery system for recycling oxygen that exceeds 75% recovery.

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