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Jan 18, 2023

New methods for exploring the ‘dark matter’ of biology

Posted by in categories: biotech/medical, health

New tools and methods have been described by WEHI researchers to study an unusual protein modification and gain fresh insights into its roles in human health and disease.

The study—about how certain sugars modify proteins—was published today in Nature Chemical Biology. Led by WEHI researcher Associate Professor Ethan Goddard-Borger, this work lays a foundation for better understanding diseases like muscular dystrophy and cancer.

Jan 18, 2023

All Tomorrows: the future of humanity?

Posted by in category: futurism

What will humanity become, millions of years in the future?
This video is an abridged retelling of All Tomorrows, a story written and illustrated by C. M. Kosemen. Here’s an interview with Kosemen on the Alt Shift X Podcast: https://www.youtube.com/watch?v=_1DUeMbesM8

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Original All Tomorrows story: https://drive.google.com/file/d/0ByV5-S712cg8Tk1vQWVFZVM5S28/view.

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Jan 18, 2023

Simulating Cellular Evolution: The Path To Multicellularity

Posted by in categories: biotech/medical, evolution, genetics

In this video I showcase a program that I have been working on for simulating evolution by natural selection. I dive into various mechanisms of the simulation and go over some interesting real-life biology in the process. The key aim of this project is to evolve multicellular organisms, starting from single-celled protozoa-like creatures that must collect mass and energy from their surroundings in order to survive, grow and reproduce.

Chapters:
00:00 — Introduction.
00:56 — Life of a protozoan.
02:46 — The start of the simulation.
05:57 — How the cells work.
06:53 — Introducing multicellular colonies.
08:33 — Understanding evolution.
11:38 — Looking at data from the simulation.
13:27 — Evolving epigenetics introduction.
14:14 — Waddington’s Landscape and cell specialisation.
15:22 — The Central Dogma of Molecular Biology.
16:05 — Gene Regulatory Networks.
16:54 — Outro.
17:30 — Watching the simulation.

Continue reading “Simulating Cellular Evolution: The Path To Multicellularity” »

Jan 18, 2023

Why Oumuamua May Have Been The First Sign of Intelligent Life with Dr. Avi Loeb

Posted by in category: space

In this interview with Avi Loeb, the Frank B. Baird, Jr., Professor of Science and astrophysicist at Harvard University, he explains why in his new book, Extraterrestrial: The First Sign of Intelligent Life Beyond Earth, he has put forth the theory that our first interstellar visitor to be spotted in our solar system, Oumuamua, might just be the first sign of intelligent life beyond earth.

Extraterrestrial: The First Sign of Intelligent Life Beyond Earth https://amzn.to/2LiIxoo affiliate link.

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Jan 18, 2023

Why does Roman concrete last so much longer than ours?

Posted by in category: materials

Roman concrete has mostly stood the test of time. The Pantheon for example was dedicated in 128 CE and has the world’s largest unreinforced concrete dome. Today, it’s still intact.

Even some ancient Roman aqueducts still deliver water to Rome.

On the other hand – In your town or city you probably have at least one piece of brutalist architecture. Big in the 50s and 60s, these now controversial concrete structures were considered utilitarian and long lasting. Yet today, without restoration, some of these reinforced concrete buildings have begun to crumble.

Jan 18, 2023

Wealthy Hun Warrior’s Tomb Uncovered During Highway Construction in Romania

Posted by in category: transportation

As workers were constructing a highway in Romania, a Hun warrior’s treasure-filled tomb was unearthed. According to Live Science, the tomb dates all the way to the fifth century AD, when the region was proliferated by the Huns.

Prince-Like Tomb of a Hun Warrior

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Jan 18, 2023

The Dark Forest, Aliens, and a Hostile Galaxy

Posted by in categories: futurism, space

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When we look up into the night skies, all we see is absence and silence, but could our galaxy be a dark forest full of hidden predators waiting to consume us?

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Jan 18, 2023

Ryan Raut: Linking Brain States and Brain Networks through Traveling Waves

Posted by in category: neuroscience

Dr. Ryan Raut talks to us about some of his recent work on brain states and brain networks, linking them through synchronized traveling waves:
https://www.science.org/doi/full/10.1126/sciadv.abf2709
https://www.pnas.org/content/117/34/20890.short.

This video is part of the SNAC Chat series organized by Mac Shine, Joe Lizier, Ben Fulcher, and Oliver Cliff (The University of Sydney).

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Jan 18, 2023

Anti-Derivative Example 1 || Cosine cube of x

Posted by in category: futurism

In this video we are going to find the anti-derivative of cosine cube of x.
#anti_derivative.

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Jan 18, 2023

Scientists just witnessed Titan’s astonishing surface for the first time

Posted by in categories: habitats, space

The largest moon of Saturn is an unique habitat in our Solar System. It appears to be a world different from our own, with its methane-filled lakes, freezing volcanoes, and underground tunnels.

However, Titan’s first geomorphological map demonstrates that, while its landscape is spectacular and diverse, these elements actually make it surprisingly similar to Earth.