1
4
submitted 1 day ago by [email protected] to c/[email protected]

cross-posted from: https://hexbear.net/post/5072562

Recently I added some RSS feeds to my lemmy subs and this one has consistently had really cool items.

On hexbear, here is the link: https://hexbear.net/c/[email protected] Federated, I think this is the correct synatax: [email protected]

The main website is: Conservation and environmental science news - Mongabay

From their footer, the most important links:

And some ancillary ones:

I have nothing to do with this org, can't vouch for them. Just been subbed to the feed for a short while.

2
7
submitted 4 days ago by [email protected] to c/[email protected]
3
4
submitted 4 days ago by [email protected] to c/[email protected]
4
16
submitted 5 days ago by [email protected] to c/[email protected]
5
10
submitted 5 days ago by [email protected] to c/[email protected]
6
1
submitted 4 days ago by [email protected] to c/[email protected]

ISC Expert Group publishes Nature Sustainability comment on scientific priorities for plastics treaty

@science

https://council.science/news/nature-comment-plastics-treaty/?utm%5C_source=rss&utm%5C_medium=rss&utm%5C_campaign=nature-comment-plastics-treaty

7
3
submitted 1 week ago by [email protected] to c/[email protected]

cross-posted from: https://lemmygrad.ml/post/7976516

Thoughts on this?

The video is about an hour long.

Honestly, really raises questions about a philosophy of life and how to systematize it.

This is a presentation by the Bath Royal Literary and Scientific Institution.

You can listen to it while you're doing other things but the slides are interesting to me.

8
6
submitted 1 week ago by [email protected] to c/[email protected]
9
17
submitted 1 week ago by [email protected] to c/[email protected]

A new method for diagnosing brain tumours could cut the time patients wait for treatments by weeks to hours and raise the possibility of novel types of therapy, researchers have said.

According to the Brain Tumour Charity, about 740,000 people around the world are diagnosed with a brain tumour each year, around half of which are non-cancerous. Once a brain tumour is found, a sample is taken during surgery and cells are immediately studied under a microscope by pathologists, who can often identify the type of tumour. However, genetic testing helps to make or confirm the diagnosis.

“Almost all of the samples will go for further testing anyway. But for some of them it will be absolutely crucial, because you won’t know what you’re looking at,” said Prof Matthew Loose, a co-author of the research from the University of Nottingham.

The approach is based on devices that contain membranes featuring hundreds to thousands of tiny pores, each of which has an electric current passing through it. When DNA approaches a pore it is “unzipped” into single strands; as a strand passes through the pore it disrupts the electric current.

10
4
submitted 1 week ago by [email protected] to c/[email protected]
11
14
submitted 1 week ago by [email protected] to c/[email protected]
12
18
submitted 1 week ago* (last edited 1 week ago) by [email protected] to c/[email protected]

Andi's Writeup

Recent research shows significant advances in using hydrogels to restore lost teeth and dental tissue through several approaches:

Injectable Hydrogels for Tooth Pulp Regeneration

  • Researchers at NJIT developed a first-of-its-kind injectable hydrogel that triggers the body to regenerate lost tooth pulp, funded by a $3 million NIH grant[^3]
  • The material recruits dental pulp stem cells to rebuild tissue without requiring live cells, making it viable for off-the-shelf use[^3]
  • Early animal trials showed formation of soft tissue, blood vessels, and nerve bundles within a month[^3]

Enamel Regeneration

  • Scientists in China created a gel containing mineral clusters that can stimulate crystal regrowth to restore eroded tooth enamel[^18]
  • Tel Aviv University researchers developed a water-based hydrogel that encourages bone regrowth, potentially transforming dental implant procedures[^5]
  • USC researchers engineered peptide-based hydrogels that can rebuild tooth enamel structure and restore early cavity damage[^23]

Periodontal Tissue Engineering

  • Hydrogels are being used as scaffolds to regenerate periodontal ligament, alveolar bone, and cementum[^2]
  • Key components include:
    • Natural polymers like chitosan, sodium alginate, and hyaluronic acid
    • Synthetic polymers such as polyethylene glycol and gelatin methacryloyl
    • Bioactive substances including antibiotics, growth factors, and stem cells[^2]

Future Development

  • Japanese researchers aim to begin human trials for tooth regeneration within 6 years[^20]
  • Current challenges include:
    • Creating sufficient blood vasculature
    • Controlling bacterial growth
    • Improving mechanical properties
    • Achieving complete periodontal regeneration[^2]

[^2]: NIH - Advances of Hydrogel Therapy in Periodontal Regeneration

[^3]: DrBicuspid - $3M project aims to regenerate lost tooth pulp

[^5]: NoCamels - New Gel Could Transform Dental Implants

[^18]: ABC News - Science has found a way to regrow tooth enamel

[^20]: Popular Mechanics - Humans Could Grow Entirely New Teeth in Just a Few Years

[^23]: USC News - Researcher makes strides in gel to regrow tooth enamel

13
5
submitted 1 week ago by [email protected] to c/[email protected]
14
8
submitted 2 weeks ago by [email protected] to c/[email protected]
15
61
submitted 2 weeks ago by [email protected] to c/[email protected]
16
37
submitted 2 weeks ago by [email protected] to c/[email protected]

Doctors in the US have become the first to treat a baby with a customised gene-editing therapy after diagnosing the child with a severe genetic disorder that kills about half of those affected in early infancy.

KJ was born with severe CPS1 deficiency, a condition that affects only one in 1.3 million people. Those affected lack a liver enzyme that converts ammonia, from the natural breakdown of proteins in the body, into urea so it can be excreted in urine. This causes a build-up of ammonia that can damage the liver and other organs, such as the brain.

Writing in the New England Journal of Medicine, the doctors described the painstaking process of identifying the specific mutations behind KJ’s disorder, designing a gene-editing therapy to correct them, and testing the treatment and fatty nanoparticles needed to carry it into the liver. The therapy uses a powerful procedure called base editing which can rewrite the DNA code one letter at a time.

17
3
submitted 2 weeks ago by [email protected] to c/[email protected]
18
22
submitted 2 weeks ago by [email protected] to c/[email protected]
19
30
submitted 2 weeks ago by [email protected] to c/[email protected]
20
15
submitted 2 weeks ago by [email protected] to c/[email protected]
21
20
submitted 2 weeks ago by [email protected] to c/[email protected]
22
38
submitted 2 weeks ago by [email protected] to c/[email protected]

They have bets on where it hits (I see some wishes)

23
12
submitted 3 weeks ago by [email protected] to c/[email protected]
24
9
submitted 3 weeks ago by [email protected] to c/[email protected]
25
3
submitted 3 weeks ago by [email protected] to c/[email protected]
view more: next ›

Science

15336 readers
1 users here now

Subscribe to see new publications and popular science coverage of current research on your homepage


founded 6 years ago
MODERATORS