Aho is working on ancient dna of Pleistocene Bison?

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Are there open databases for mortality or large cardiovascular events such as Framingham?

Are there open databases for mortality or large cardiovascular events such as Framingham? To be able to train predictive models of cardiovascular events with a large number of patients.

08 July 2024 6,133 2 View

¿ Los paises en vias de desarrollo son mas abiertos frente a las politicas migratorias?

Es posible observar que mientras que paises como colombia con altos indices de pobreza y desigualdad, abrieron sus fronteras a millones de migrantes venezolanos, por otro lado algunos paises de la...

16 June 2024 236 2 View

How many populations in the world have been repopulated thanks to migration?

Existen diversos conflictos y problematicas sociales en el mundo que han causado migraciones. Por ejemplo, la migración venezolana y la reciente migración debido a la guerra entre ucrania y rusia....

16 June 2024 6,989 1 View

MDR1 (ABCB1) western blotting?

Has anyone seen MDR1 bands below 75 kDa? I am using a monoclonal antibody and I am expecting a band at 170 kDa

15 May 2024 8,690 4 View

How can I dissolve my drug in 0.5% methylcellulose?

I am preparing a drug for oral gavage which needs to be dissolved in 0.5% methylcellulose. The drug powder remains as clump and refuses to go into solution. Any tips on this?

01 April 2024 4,859 3 View

Is there a need of web security practices even when the students are fully aware?

I'm a student researcher that is studying everything about the student's awareness on web browser and online behavior and safety practices. I wanted to know if there's a need of handout/mini book...

13 January 2024 8,315 5 View

How to do lentiviral transduction with two different vectors?

If I want to transduce cells with two lentiviral vectors, do I perform the transduction one after the other? Or do I collect the lentivirus from the different HEK plates and co-transduce my target...

07 November 2023 7,632 5 View

How to lyse bacteria cells gently?

Dear community, I’m trying to lyse Lysobacter enzymogenes cells. I want to open them up in a very gentle way to cause as little damage to everything that’s inside them (proteins, peptides,...

08 October 2023 2,045 0 View

Could EtCO2 be higher than PaCO2 in a congenic heart diseased child?

Could be any scenario that you could find a higher EtCO2 than the value of a PCO2 of a ABG in a children with a congenic heart disease under invasive mechanical ventilation? In my case, a patient...

20 September 2023 7,746 1 View

How to evaluate submerged aquatic vegetation vs factors using braun-blanquet like coverage data?

Let's say I have SAV (~4spp) cover on a Braun-blanquet like scale for several years & I want to evaluate the effect of sediment characteristics, would a logistic model be the right approach? I...

16 July 2023 783 0 View

Dear RG community, can you help with the identification of this NPP fungal spore ?

It was found in marine sediments in the Alboran Sea during the Pleistocene. Septate, brown, around 32x15 micrometers, with perforations scattered across the surface, and two apical pori.

26 March 2024 9,603 1 View

What is the most recent thought on bison as part of the historical fauna in the U.S. desert southwest?

I have been in the camp that believed bison were not part of the natural fauna in the desert grasslands. Individual bones found scattered throughout were as a result of trade among indigenous...

09 December 2023 2,452 1 View

European bison history ?

How can we know, that european bison had been completely free ranging in ancient and medieval times ? Maybe there existed a kind of husbandry, comparable to rendeer culture or to the supplementary...

25 October 2023 2,376 2 View

Who can identify attached presumed acritarch from the Early Pleistocene in Holland?

see picture

06 August 2023 7,019 3 View

Why does C14 dating of submerged paleolittoral beachrock give ages lower than likely Pleistocene ages? Recrystallization of shells?

28 January 2023 3,456 2 View

Does anyone would be able to identify these fish pharyngeals (marine or freshwater)?

These bones come from a Pleistocene archaeological site located in Timor-Leste near Lake Ira Lalaro. Freshwater and marine fish remains have already been identified at this site. We have a few...

01 December 2022 2,881 8 View

Would anyone be able to identify these fish pharyngeals (marine or freshwater)?

These bones come from a Pleistocene archaeological site located in Timor-Leste near Lake Ira Lalaro. Freshwater and marine fish remains have already been identified at this site. We have a few...

01 December 2022 703 8 View

Сan anybody tell me a publication on a supplementary loop of M1 in the Late Middle Pleistocene Microtus, Northern Europe?

I remember that one time I came across a publication, where a frequent occurrence of M1 with the supplementary loop was mentioned. It might have been the Holsteinian of Netherlands (not for...

19 May 2021 7,452 5 View

Why are my δ13C values changing through time?

Hi I have a number of δ13C (from AMS dating) values for the same species of freshwater gastropods in Indonesia, that show different δ13C values in the Holocene and Pleistocene and I want to...

17 May 2021 1,064 3 View

Where to date Alunite generated by hydrothermal alteration?

Our study group is looking for a geochronological lab where to date Pleistocene (

13 April 2021 7,810 2 View

Alison Stenger

Check with Chris Shaw, John Harris, or Mary Thompson. Also possibly David Ellingson. Good luck!

Maurizio Gnoli

Try with Diversity 2018, 10, 65; doi:10.3390/d10030065 by

Thierry Grange 1, Jean-Philip Brugal 2,†, Laurence Flori 3,† ID , Mathieu Gautier 4,†, Antigone Uzunidis 2,† and Eva-Maria Geigl