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Common plastic pigment promotes depolymerization

Matter and energy from Science Daily Feed - Wed, 01/29/2025 - 9:14am
This startling mechanism for promoting depolymerization relies on an additive that many plastics already contain: a pigment called carbon black that gives plastic its black color. Through a process called photothermal conversion, intense light is focused on plastic containing the pigment to jumpstart the degradation. The lab's method has since been tried out on such post-consumer waste as PVC pipes, black construction pipes, trash bags, credit cards, even those ubiquitous yellow rubber duckies. It works on all of them.
Categories: Science

The secret life of catalysts: New discoveries in chemical reactions

Matter and energy from Science Daily Feed - Wed, 01/29/2025 - 9:14am
Scientists have made an advancement in the field of electrocatalysis. Their latest research sheds light on how catalysts can stay in unanticipated forms during the process of nitrate reduction. The study offers new insights that could pave the way for more efficient catalyst design.
Categories: Science

Performance-improvement mechanisms of tin-based perovskite solar cells

Matter and energy from Science Daily Feed - Wed, 01/29/2025 - 9:13am
Researchers have used electron spin resonance technology to observe the state and movement of the charge inside Ruddlesden-Popper tin -based perovskite solar cells, an emerging technology for next-generation solar cells. They have discovered a mechanism that improves the performance of these cells compared with conventional three-dimensional tin-based perovskite solar cells. Their findings signal a great leap forward in the development of high-efficiency, long-lasting solar cells.
Categories: Science

New acoustic wave phenomenon discovered

Matter and energy from Science Daily Feed - Wed, 01/29/2025 - 9:13am
This novel finding regarding the nonreciprocal diffraction of acoustic waves could open doors for next-generation communication devices.
Categories: Science

New acoustic wave phenomenon discovered

Computers and Math from Science Daily Feed - Wed, 01/29/2025 - 9:13am
This novel finding regarding the nonreciprocal diffraction of acoustic waves could open doors for next-generation communication devices.
Categories: Science

The hidden power of the smallest microquasars

Space and time from Science Daily Feed - Wed, 01/29/2025 - 9:13am
Researchers found for the first time evidence that even microquasars containing a low-mass star are efficient particle accelerators, which leads to a significant impact on the interpretation of the abundance of gamma rays in the universe.
Categories: Science

Green phosphonate chemistry -- Does it exist?

Matter and energy from Science Daily Feed - Wed, 01/29/2025 - 8:55am
Phosphorus is a critical raw material that should be recycled more efficiently. There is also a need for more environmentally friendly production methods for organic phosphorus compounds. A recently published review article examines the potential of green chemistry to contribute to these goals in the production and use of multifunctional phosphorus compounds, phosphonates.
Categories: Science

New study improves the trustworthiness of wind power forecasts

Matter and energy from Science Daily Feed - Wed, 01/29/2025 - 8:55am
By applying techniques from explainable artificial intelligence, engineers can improve users' confidence in forecasts generated by artificial intelligence models. This approach was recently tested on wind power generation.
Categories: Science

Research leads to viable solution for polycotton textile waste recycling

Matter and energy from Science Daily Feed - Wed, 01/29/2025 - 8:55am
Researchers present a solution to the challenging problem of recycling poly-cotton textile waste. The process starts with fully removing all cotton from the fabric using superconcentrated hydrochloric acid at room temperature. The cotton is converted into glucose, which can be used as a feedstock for biobased products such as renewable plastics. The remaining polyester fibers can be reprocessed using available polyester recycling methods.
Categories: Science

Even quantum physics obeys the law of entropy

Matter and energy from Science Daily Feed - Wed, 01/29/2025 - 8:55am
The universe is getting more disordered, entropy is growing -- this is the second law of thermodynamics. But according to quantum theory, entropy should actually stay the same. Scientists took a closer look and resolved this apparent contradiction.
Categories: Science

Even quantum physics obeys the law of entropy

Space and time from Science Daily Feed - Wed, 01/29/2025 - 8:55am
The universe is getting more disordered, entropy is growing -- this is the second law of thermodynamics. But according to quantum theory, entropy should actually stay the same. Scientists took a closer look and resolved this apparent contradiction.
Categories: Science

Even quantum physics obeys the law of entropy

Computers and Math from Science Daily Feed - Wed, 01/29/2025 - 8:55am
The universe is getting more disordered, entropy is growing -- this is the second law of thermodynamics. But according to quantum theory, entropy should actually stay the same. Scientists took a closer look and resolved this apparent contradiction.
Categories: Science

Improving the way flash memory is made

Matter and energy from Science Daily Feed - Wed, 01/29/2025 - 8:53am
The narrow, deep holes required for one type of flash memory are made twice as fast with the right recipe, which includes a plasma made from hydrogen fluoride.
Categories: Science

Improving the way flash memory is made

Computers and Math from Science Daily Feed - Wed, 01/29/2025 - 8:53am
The narrow, deep holes required for one type of flash memory are made twice as fast with the right recipe, which includes a plasma made from hydrogen fluoride.
Categories: Science

Life's building blocks in Asteroid Bennu samples

Space and time from Science Daily Feed - Wed, 01/29/2025 - 8:52am
Scientists detected all five nucleobases -- building blocks of DNA and RNA -- in samples returned from asteroid Bennu by NASA's OSIRIS-REx mission.
Categories: Science

Exploring mysteries of Asteroid Bennu

Space and time from Science Daily Feed - Wed, 01/29/2025 - 8:52am
Scientists found that asteroid Bennu contained a set of salty mineral deposits that formed in an exact sequence when a brine evaporated, leaving clues about the type of water that flowed billions of years ago.
Categories: Science

Jesus ‘n’ Mo ‘n’ othering

Why Evolution is True Feed - Wed, 01/29/2025 - 8:30am

In today’s Jesus and Mo strip, called “others,” we see a familiar theme: Mo being guilty of exactly what he’s accusing others of. In fact, I think the theme of the whole strip can be condensed to one word: hyprocrisy.

Categories: Science

Muscle patch made from stem cells could treat heart failure

New Scientist Feed - Wed, 01/29/2025 - 8:00am
A patch made from lab-grown muscle cells boosted heart function in monkeys with cardiovascular disease and is now being tested in humans
Categories: Science

Antarctic ice sheet may be less vulnerable to collapse than expected

New Scientist Feed - Wed, 01/29/2025 - 8:00am
The West Antarctic ice sheet could cause metres of sea level rise if it collapses – but more than 120,000 years ago, it may have survived an even warmer period than it is experiencing now
Categories: Science

Another child killed by religion

Why Evolution is True Feed - Wed, 01/29/2025 - 8:00am

Much of Chapter 5 of my book Faith Versus Fact: Why Science and Religion are Incompatible (the chapter’s called “Why does it matter?”) deals with religiously-motivated child abuse, mostly in the form of religious parents denying medical care to children.  Some of the stories are horrific, especially the first one I tell involving a girl with bone cancer. While Christian Science and the Jehovah’s Witnesses are major culprits, with their faith often mandating that God rather than doctors will cure children, there are other groups like them.  And when the children die, as they often do (Jehovah’s Witnesses prohibit blood transfusion, and the kids, indoctrinated with that dogma, may die if they don’t get blood), the parents used to get off with light prison sentences or even parole. After all, it’s religion, Jake, so it’s okay to let your your kids die in its name!  For some reason, all the cases I described in my book involve Christian parents.

Well, it’s still happening The Guardian reports today about on eight-year-old diabetic (type 1) girl whose father, converted to an evangelical sect, decided to deny his daughter the insulin she needed to live. (I am SO familiar with this kind of behavior. It’s not ubiquitous, but it’s not vanishingly rare, either.) The daughter died, of course (this was in 2022), and the death was likely a painful one.

The difference between this case, described below (click on screenshot to read), and similar cases in the U.S., is that the parents—and 10 other people—were convicted of manslaughter yesterday, a much more serious charge than often levied against such parents in the U.S. I suppose manslaughter is an appropriate charge, but one shouldn’t rule out murder charges, either since sane persons know what will happen if they withhold insulin from a diabetic child. (I know of no murder charges ever filed against these odious parents.) Anyway, I get quite exercised when helpless kids die because God is supposed to save them, and often this happens with the child’s assent, because they get propagandized. Religion often comes with the need to propagandize, especially to your kids.

An excerpt from the article:

It took Jason Struhs 36 hours to call the ambulance after the death of his daughter Elizabeth.

When the police followed shortly afterwards, they heard singing. The Saints, a religious sect in Queensland, that has been likened to a cult, were praying for the eight-year-old to be resurrected.

“I’m not jumping up and down in joy, but I’m at peace …” Jason told a police officer that day. “I gave my little girl what she wanted. And I expect God to look after her.”

Justice Martin Burns on Wednesday found Jason Struhs, and religious leader Brendan Stevens, along with Elizabeth’s mother, Kerrie, brother Zachary, and 10 other members of the group, guilty of her manslaughter.

Elizabeth Struhs died at her family home in Rangeville, Toowoomba, west of Brisbane, on 6 or 7 January 2022, of diabetic ketoacidosis.

Jason told police: “There were no feelings of oh well, that didn’t work.”

“I have to be patient. I have to keep praying. I didn’t sit there and think that I had killed my daughter, I was thinking that she was in a better place now,” he said.

The delay before calling the ambulance after a child’s death is quite common, though I don’t know why. The kid is dead and it has to be reported. At any rate, there was a trial at the end of 2024.

Throughout the nine-week trial last year, the court heard hours of interviews with the Saints filmed by police, at the scene and in the days afterwards.

Recently released to the media, they give an insight into their beliefs.

Elizabeth’s mother, Kerrie Struhs, believed so strongly in the Saints’ faith she had been previously jailed for not providing her daughter the necessaries of life in 2019, when Elizabeth became sick for the first time.

Jason took her to the hospital in a coma over Kerrie’s objections. She told the police she wasn’t grateful to the medical staff for saving her life.

“What do you think might have happened if she wasn’t taken to hospital the first time?” she was asked by police, days after Elizabeth’s death.

“I believe she would have got better and didn’t need any medical assistance at all,” she replied.

When Elizabeth was returned to the family with no lasting medical problems, she took it as proof of a miracle. She never attended hospital to see her daughter’s treatment.

A month after Kerrie was released from jail, Elizabeth was taken off her insulin after two-and-a-half healthy years and became sick again – but her mother told police she never had any doubts.

She told them she was surprised God was taking the situation “to the extreme … as in, to death”, but saw it as part of his plan for the “last days”.

If Elizabeth had died and was brought back in front of paramedics, more people would see the miracle, she said.

“These are end days. I see this as simply God is needing to show people, give people a chance to see that God is still here. And we are the ones that will declare it faithfully,” she told police.

Jason was originally not religious; it was only when he “found God” that he turned into someone who could kill his daughter:

For 17 years, his wife and many of his children attended the small home-based church service multiple times a week, but Jason Struhs didn’t believe in God at all.

For years he helped her administer insulin four times a day, take her to doctors, prepare specific meals and check her sugar levels.

. . . . After a verbal fight with his son Zachary and counselling by the other Saints, Jason converted in August 2021.

“The next four months after turning to God had been the best four months of my life, because I had peace. I now had family who loved me,” he said in his police statement.

The sentence below, which I’ve put in bold, is what really angers me. These people are so absolutely sure of the fictions they embrace that they are willing to let their offspring die because “they’ll be in a better place,” There is no evidence for such a place! Jason feels no remorse for what he did.

The Saints prayed and sang as a group. Finally, on 8 January, Jason called the paramedics.

“I said to everyone that even though God will raise Elizabeth, we couldn’t leave a corpse in the house, we couldn’t leave her body sitting there forever,” Jason said.

On 8 January, Jason told police his faith was stronger than ever.

“I am fully at peace at heart. I don’t feel sorry, I feel happy because now she’s at peace and so am I … she’s not dependent on me for her life now. I’m not trapped by diabetes as well.”

Burns will sentence all 14 on 11 February.

Only prosecution and strong sentences will curb this kind of behavior, though some of it will go on in secret, for religion is powerful.

I won’t harp on this further; you can read my book to see similar cases.  The point, of course, is that this girl would still be alive if there were no religion, for only religion would make a parent stop giving medical care to their offspring. (Well, I suppose there are other forms of such lunacy as well, but these are doctrines of Christian Science, the Jehovah’s Witnesses, and other fringe Christian sects like the Saints.)  And the courts, in the U.S. at least, used to go much easier on parents like this than, say, parents whose kids died from malnourishment or related abuse. Religion used to give you somewhat of a pass, though that now seems to be changing, thank Ceiling Cat.

Here’s a video about the death of Elizabeth and the trial.  Do watch it, because you’ll see how these people remain deluded even though they thought God would “bring her back” after she died.

Finally, I present for your appraisal the cover of the Jehovah’s Witness magazine Awake! from 1994.  Every child on the cover of this magazine died because they refused blood transfusions. But it’s okay, because they put God first.  I used this slide in the talks I used to give about faith versus fact.  In the case of Elizabeth, faith is The Saints; fact is insulin.

h/t: Paul

Categories: Science

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