Unraveling the initial molecular events of respiration

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Respiration is a fundamental process of all living things, allowing them to produce energy, stay healthy, and survive. In cells, respiration involves what are known as “respiratory proteins,” e.g. hemoglobin in the blood and myoglobin in muscles.

Respiratory proteins work by binding and releasing small molecules like oxygen, carbon monoxide etc., called ligands. They do this through their “active center,” which in many respiratory proteins is a chemical structure called heme porphyrin.

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Here’s how asteroid mining will transform the world

Asteroid mining sounds fantastically futuristic, but it is almost feasible with existing technology.

We have already landed spacecraft on asteroids and taken samples.

Now all of that “simply” needs to be done at a much larger scale mining a well-scouted space rock.

The payoff for humanity will be astronomical.
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Inside Facebook’s new power grab

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Mark Zuckerberg is not a man used to failure. He has built a $600-billion empire, buying up or crushing most would-be competitors and brushing regulators aside. When, in 2015, he personally headed up an effort – first called internet.org, then “Free Basics” – to help 3.5 billion people worldwide who don’t have access to the internet get connected, he might have expected praise for what he framed as philanthropy. The service would offer free unlimited access to a selection of hand-picked websites to people in India and countries across Asia, South America and Africa – getting more people online while, incidentally, making Facebook the controllers of the front page of the internet for these new users.

The praise did not come. Facebook was accused of “digital colonialism”, and of creating “poor internet for poor people”. There were even street protests against Free Basics in India, the country Zuckerberg had visited to promote the initiative. As political pressure mounted, in 2016 Free Basics was effectively outlawed by Indian regulators. The debacle was for a time described as “Facebook’s biggest setback”. If you only look at the headlines, Free Basics – and Facebook’s mission to connect the world – all but disappeared after that. But the reality of what happened next is very different.

“The project kept expanding – albeit much more discreetly,” explains Dr Toussaint Nothias, director of research at the Stanford Digital Civil Society Lab. “At the end of 2015, Facebook reported that Free Basics was available in 30 countries. Today, they say it’s available in ‘more than 55 countries’. In Africa [alone], I found that it’s available in 29 countries.”

Working far more quietly than before, Facebook has spearheaded efforts across the globe to connect people to the internet – working on technology, software, business models and more. The company refined Free Basics to give it less control over which sites users could access, and in May 2020 launched a successor, Discover, which allows users a daily allowance of data they can use to access any website.

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The rise of the upper middle class

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We all know that economic inequality has increased in recent decades, but just who has won and who has lost are harder questions to answer. A new study suggests that, even before the coronavirus pandemic, much of the increase in inequality was generational. People born earlier in the post-World War II decades experienced faster income growth than people born later.

The study, published by the Brookings Institution, compared people in two 15-year stretches — 1967-1981 and 2002-2016 — when they were generally in their prime working years. The oldest members of the first group are mostly baby boomers. They achieved a 27 percent gain in their median incomes during the 15-year span, adjusted for inflation. By contrast, the oldest members of the second group were mostly millennials. Their inflation-adjusted gain was only 8 percent.

Just what has caused this skewing of incomes is a controversial subject, but the report’s findings generally agree with many other studies. College graduates do relatively well, and labor markets have become more turbulent. In the second 15-year period, 12 percent of people suffered at least one 25 percent drop of income. In the earlier period, the comparable figure was 4 percent.

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Research: Professionals say working from home has made them more effective

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  In March, everything changed in an instant. And now, for the past six months, we’ve been living in a remarkably different kind of world.

Our living rooms became boardrooms; our business lunches became Zoom chats and the supply chain was, for a time, crippled. The global pandemic changed the way we lived and the way we worked. While some of us thought the change was only temporary, maybe for a few weeks, we were actually experiencing the dramatic onset of the theoretical topic we all called “the future of work.”

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Why Tokyo’s new transparent public restrooms are a stroke of genius

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Tokyo transparent bathroom

At first, it’s hard to fathom how a public restroom with transparent walls could possibly help ease toilet anxiety — but a counterintuitive design by one of Japan’s most innovative architects aims to do just that.

Around the world, public toilets get a foul rap. Even in Japan, where restrooms have a higher standard of hygiene than in much of the rest of the world, residents harbor a fear that public toilets are dark, dirty, smelly and scary.

To cure the public’s phobia, the non-profit Nippon Foundation launched “The Tokyo Toilet Project,” tasking 16 well-known architects to renovate 17 public toilets located in the public parks of Shibuya, one of the busiest commercial areas of Tokyo.

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EGEB: Germany builds the world’s first hydrogen train filling station

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 Hydrogen trains in Germany

Germany breaks ground on the world’s first hydrogen filling station for passenger trains.

The town of Bremervörde in Lower Saxony, Germany, has broken ground on the world’s first hydrogen filling station for passenger trains. Chemical company Linde will construct and operate the hydrogen filling station for the Lower Saxony Regional Transport Company.

The station has a daily capacity of approximately 1,600kg of hydrogen, and it will replace the current mobile filling station, according to Railway Technology.

Construction is expected to start in September, and the station’s completion is planned for mid-2021.

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Tesla rival Nikola scores deal to make thousands of 1,000-horsepower electric garbage trucks

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If Nikola (NKLA) founder Trevor Milton has his way, the garbage trucks emitting black smoke that troll the streets will eventually be a thing of the past.

 Milton and his team at Nikola took a giant step in that mission on Monday.

The upstart electric- and hydrogen-powered truck maker announced a deal with waste management giant Republic Services for 2,500 electric, zero emission garbage trucks. A dollar amount for the contract wasn’t disclosed. The deal is expandable up to 5,000 trucks. Full production deliveries are expected to begin in 2023 — road testing is set to commence in late 2021 and early 2022.

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The forecast for passenger drones is sky high

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EHANG 184 AAV Manned Flight Test by EHANG CEO Mr. Hu Huazhi

A new forecast for passenger drones and the eVTOL aircraft market predicts dramatic growth over the next 10 years.

According to the new market research report from MarketsandMarkets on the “eVTOL Aircraft Market … Global Forecast to 2030”, the eVTOL aircraft market is projected to grow from USD 162 million in 2025 to USD 411 million by 2030, at a CAGR of 20.42% from 2025 to 2030.

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Why wireless vehicle charging makes sense for smart cities

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Image of proposed wireless charging stations

Investments we make today in urban EV infrastructure must take into account future requirements for ride sharing, transit and utilities

 

As the world’s population grows increasingly urban — it’s expected that by 2050, 70 per cent of individuals will live in urban areas — it’s critical for these regions to have the infrastructure in place to support quick, convenient and electric mobility. From autonomous vehicles, to electric urban transit, to effective energy management by utilities, successful deployment depends on cities investing in the proper accompanying charging infrastructure. To that end, there’s a good case to be made that investing in wireless charging is critical for the prosperity of urban areas.

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Uber reports steep revenue decline, as delivery outpaces ride hailing.

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Uber’s revenue decline in the second quarter was the steepest since it went public in May 2019.

Uber said on Thursday that its revenue in the second quarter dropped 29 percent to $2.2 billion from a year ago and that its net loss narrowed to $1.8 billion, as the ride-hailing giant deals with the fallout from the coronavirus pandemic.

The revenue decline was the steepest since Uber went public in May 2019, though total revenue was better than what Wall Street analysts had projected. Uber’s losses improved from $5.2 billion a year ago when it had heavy stock-based compensation costs after its initial public offering.

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