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Organ Bioprinting Overcome Major Hurdles

Medicine & Technology Bioengineers have cleared a major hurdle on the path to 3D printing replacement organs. It's a breakthrough technique for bioprinting tissues with exquisitely entangled vascular networks that mimic the body's natural passageways for blood, air, lymph, and other vital fluids.

Marijuana Use Found to Cause Infertility Among Men

Men who smoked marijuana had significantly degraded sperm quality and testicular function, worse than tobacco users and comparable to men with diagnosed infertility, according to a long-term Brazilian study.

Living Alone Linked to Common Mental Disorders

A new study concludes that there is a link between living alone and CMDs. They also find that it affects all age groups and sexes and that primarily, loneliness is the driver.

Sewers Could Help Clean Our Atmosphere

Researchers have concluded that sewer plants serving municipalities worldwide offer a major option for capturing carbon dioxide and other greenhouse gases. Although cautioning that research and development is needed before the systems could be deployed, the team identified several potentially viable paths to using sewage as a carbon sink — that is, sewer plants could clean the atmosphere as they clean water.

Virtual Assistants Will Soon Take Human Form

When we queue up future virtual assistants to get advice on how we should dress for the day’s weather or which route to work will be quickest, the answers may soon look like they’re coming from a living, breathing human being thanks to advanced digital rendering techniques.

Bacteria Creates Artificial Mother-of-Pearl

A biologist invented an inexpensive and environmentally friendly method for making artificial nacre using an innovative component: bacteria. The artificial nacre is made of biologically produced materials and has the toughness of natural nacre, while also being stiff and, surprisingly, bendable. The method used to create the novel material could lead to new applications in medicine, engineering -- and even constructing buildings on the moon.
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