Lifeboat Foundation

Scientists discovered a microbe that eats metals found in meteorites, a discovery expected to guide efforts to identify alien life in space.

Morgan Cable crafts alien environments in miniature. She can stir up a shot-glass-size lake, unleash gentle spritzes of rain, and whip up other wonders to mimic the bizarre surface of Saturn’s moon Titan. In this far-flung world, temperatures plunge hundreds of degrees Fahrenheit below zero, and rivers of liquid methane and ethane sculpt valleys into a frozen landscape of water ice.

“We can, in a way, touch Titan here in the lab—even though it’s millions of miles away,” says Cable, who is a scientist in the Astrobiology and Oceans Worlds Group at NASA’s Jet Propulsion Laboratory.

While they’ve been working with these mini worlds for years, the team’s latest tiny Titan facsimile is making waves: By mixing acetylene and butane in a novel way, they’ve created a previously unknown type of “mineral.” The new substance doesn’t precisely fall under the common definition of an earthly mineral, since it still requires confirmation that it can form in nature. Instead, it is technically known as a co-crystal.

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Two of SA’s most promising female technology entrepreneurs have this year raised millions from astute local and international investors for their global-impact businesses in healthcare and space.

Presagen, co-founded by Dr Michelle Perugini, raised a total of $4.5 million from Jungle Capital group in Australia and US private investor 3Lines Venture Capital, with the SA Government also pitching in.

The funding will help commercialise its Life Whisperer artificial intelligence (AI) platform. Life Whisperer uses AI to identify healthy embryos in in-vitro fertilisation (IVF) with the aim of improving pregnancy outcomes for infertile couples globally.

Europe’s police agency is worried that the 5G will interfere with law enforcement’s ability to track people.

Catherine De Bolle, head of Europol is asking European Union leaders to allow their agency to be more engaged in policy conversations involving the adoption of 5G technology, Reuters reports.

If the U.S. doesn’t establish extraterrestrial military supremacy, someone else will.

In comments last weekend at the Reagan National Defense Forum, an annual summit attended by top defence officials and their industry counterparts, Amazon founder Jeff Bezos and Microsoft President Brad Smith pledged to support the Pentagon even in the face of internal revolt.

At the annual Reagan National Defense Forum, Amazon founder Jeff Bezos and Microsoft President Brad Smith argued that closer collaboration is needed to sustain US dominance over autocratic foreign governments.

NASA has tentative plans for a manned mission to Mars sometime in the 2030s. Between now and then, there’s still much that needs to be sorted. To start, massive dust storms, high levels of radiation, low temperatures and a lack of water make the Martian surface an unfriendly place for long-term visits. Taming it for human life will likely prove one of the most demanding and complex engineering puzzles in human history. With those extraordinary obstacles in mind, in 2015 NASA announced the 3D-Printed Habitat Challenge: an open call asking designers and architects outside the traditional aerospace industry to create plans for Martian living centred around 3D printing. One of 10 finalists announced in 2019, this plan from the design practices HASSELL and Eckersley O’Callaghan envisions teams of 3D-printing robots building a protective shield on the Martian surface several months in advance of a human landing. Upon arrival, astronauts would then work alongside the autonomous robots to piece together an inflatable, modular habitat.

Video by LightField London.

Led by researchers at Baylor College of Medicine, a study published in the journal Cell Stem Cell reveals a new mechanism that contributes to adult bone maintenance and repair and opens the possibility of developing therapeutic strategies for improving bone healing.

“Adult bone repair relies on the activation of bone stem cells, which still remain poorly characterized,” said corresponding author Dr. Dongsu Park, assistant professor of molecular and human genetics and of pathology and immunology at Baylor. “Bone stem cells have been found both in the bone marrow inside the bone and also in the periosteum—the outer layer of tissue—that envelopes the bone. Previous studies have shown that these two populations of stem cells, although they share many characteristics, also have unique functions and specific regulatory mechanisms.”

Of the two, periosteal stem cells are the least understood. It is known that they comprise a heterogeneous population of cells that can contribute to bone thickness, shaping and fracture repair, but scientists had not been able to distinguish between different subtypes of bone stem cells to study how their different functions are regulated.