Home — Tekh Decoded

Cosmic Smoke Signals: James Webb Telescope Discovers Organic Molecules in Distant Galaxy

Astronomers using the Webb telescope discovered evidence of complex organic molecules similar to smoke or smog in the distant galaxy shown here. The galaxy, more than 12 billion light years away, happens to line up almost perfectly with a second galaxy only three billion light years away from our perspective on Earth. In this false-color Webb image, the foreground galaxy is shown in blue, while the background galaxy is in red. The organic molecules are highlighted in orange. Credit: J. Spilker / S. Doyle, NASA, ESA, CSA Astronomers have found complex organic molecules in a galaxy more than 12 billion…

When Going Green Goes Wrong: The Human Rights Paradox of Decarbonization

Lead Image: The drive towards decarbonization and renewable energy presents a significant challenge regarding social justice, especially impacting indigenous peoples and disadvantaged communities. The concept of a ‘just transition’ insists that the cost of the energy overhaul shouldn’t disproportionately impact the vulnerable. However, infrastructural inequalities and costs hinder the accessibility of renewable energy for disadvantaged communities, reinforcing energy insecurity. Columbia Climate School researchers are exploring these social, ethical, and environmental conflicts, recommending more targeted assistance programs to ensure a fair transition. Mining, Land Grabs, and More: When Decarbonization Conflicts With Human Rights The shift to renewable energy is exacerbating social…

How Our Cells Kill Themselves – Scientists Decode the Exact Mechanism at the Atomic Level

Ninjurin-1 proteins assemble (green/yellow) into filaments and rupture the cell membrane (gray) until the cell disintegrates completely. Intracellular components are shown in blue. Credit: Biozentrum, University of Basel In our bodies, millions of cells meet their end on a daily basis. Contrary to popular belief, cells don’t just explode when they die. Instead, a particular protein acts as a trigger for the rupture of the cell membrane. Scientists from the University of Basel have recently been able to elucidate the exact mechanism at the atomic level. Their findings are published in the journal Nature. The self-elimination of cells is a…

The Dawn of Diversity: Release of the New Human Pangenome Reference

The Human Pangenome Reference Consortium has introduced a significantly more diverse reference human genome sequence, the “pangenome,” composed of 94 distinct genome sequences and aiming to reach 700 by 2024, which helps in identifying larger genomic variants and enhancing genomic analysis accuracy. More complete and sophisticated collection of genome sequences captures significantly more human diversity. Researchers have released a new high-quality collection of reference human genome sequences that captures substantially more diversity from different human populations than what was previously available. The work was led by the international Human Pangenome Reference Consortium, a group funded by the National Human Genome…

3D Printing Paves Way for “Designer” Titanium Alloys

A collaborative research team has developed a new class of titanium alloys that are strong and ductile rather than brittle. The innovative design combines the use of alloy with 3D-printing processes, potentially revolutionizing applications in sectors like aerospace, biomedical, chemical engineering, space, and energy. These alloys comprise a blend of alpha-titanium and beta-titanium phases, with the added use of oxygen and iron as stabilizers and strengtheners. Researchers have developed a new class of ductile and strong titanium alloys using a combination of alloy design and 3D printing. The findings, published in Nature, could revolutionize applications in various sectors, including aerospace…