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Nature Podcast
16 October 2024
On this episode:
00:46 An uncommon γ-ray producing microquasar
A kind of binary-system often known as a microquasar has been discovered to be firing out γ-rays at excessive energy-levels, which can make it a candidate to be a long-theorized pure particle-accelerator often known as a PeVatron. These objects are regarded as a supply of galactic cosmic rays, the origins of that are presently a thriller.
Understanding how this microquasar works may additionally assist researchers study extra about full-sized quasars — monstrous objects centred round supermassive black holes, that are too distant to check simply.
Analysis Article:
Alfaro et al.
Information and Views:
Excessive-altitude particle detector spots a second Galactic microquasar
09:27 Analysis Highlights
The comb jellies caught fusing their our bodies, and an historic burial web site reveals that Classical accounts of Scythian tradition look like true.
Analysis Spotlight:
Two comb jellies fuse their our bodies after which act as one
Analysis Spotlight:
Proof of lifeless folks posed on lifeless horses present in historic tomb
12:08 A ‘good’ insulin-molecule that would decrease hypoglycaemia threat
Researchers have developed a modified insulin-molecule that varies its stage of exercise relying on blood-glucose ranges. It’s hoped that this ‘good’ insulin may in the future assist these with diabetes regulate their blood sugar extra simply.
Many individuals with diabetes depend on common insulin injections, however as a result of blood-sugar ranges may be troublesome to foretell it may be onerous to pick out the right dose. This could result in hypoglycaemia — a life-threateningly low stage of glucose. To beat this, a group created a modified type of insulin with a swap that prompts the molecule when glucose ranges are excessive, and deactivates it when ranges are low. This insulin-molecule was efficient at sustaining right blood glucose in animal fashions, and will finally assist reduce diabetes-related problems in people.
Analysis Article:
Hoeg-Jensen et al.
Information and Views:
Good insulin switches itself off in response to low blood sugar
20:33 Briefing Chat
Historic DNA confirms that notorious lions hunted people and quite a lot of recreation, and a brand new approach can sequence a cell’s DNA and pinpoint its proteins, with out cracking it open.
Nature:
Famed lions’ full weight-reduction plan revealed by DNA — and people had been amongst their prey
Nature:
‘Phenomenal’ software sequences DNA and tracks proteins — with out cracking cells open
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