What is the most controllable (marine) bacterial culture you can cultivate in simulated seawater?

02 December 2020 6,796 3 View

Are there studies of the Effect of Social Media Memes on COVID 19 Information?

Dear Colleagues, I put up this question at RG in order to find out what is being studied about the effects on people of social media memes as they attempt to find reliable information regarding...

17 May 2020 1,398 18 View

Is there a program to pull only nouns or verbs from a text?

Dear Colleagues, I am compiling a list of words for an index and I wondered is this exists--sure it does somewhere. The index is for a collection of literary analysis essays. Thanks, Gloria

25 February 2020 1,755 4 View

Does 36B4 really is a unique copy gene?

02 September 2019 3,570 2 View

How long can the fresh Lentivirus store at 4 degree?

I make lentivirus weekly, but just use 30% of total volume. the leftover is aliquoted as 1 ml each tube then freeze at -80 freezer. Questions: 1. is this store method correct? directly put in -80...

08 April 2019 4,628 4 View

Is there a 6-well plate for cell culture available with a more secure/locking lid?

We are looking for culture plates with lids that do not lift as easily outside the incubator. Alternatively, any techniques people have for how to avoid accidental lifting of plate lids would be...

01 August 2018 9,108 3 View

Is it possible for peroxide values of Ximenia oil to be affected by post harvest handling or length of storage ?

We measured peroxide values of Ximenia americana and X.cafra and the values were very low (3.7). i was just wondering if maybe post-harvest activities might affect this value.

14 May 2018 2,662 1 View

Can anyone help with theory on cultural transmission via science fiction, fantasy, and horror (gothic-based) literature?

Anthropologists generally study behaviors that persist in human groups. The invention of print media gave a new area for the preservation and transmission of cultural values. Literature,...

16 February 2018 6,397 7 View

Anyone working with Gardnerella vaginalis??

Good morning. Currently I am, working with G. vaginalis, but I have some problems to find an optimal medium to grow this bacteria. I used Casman Broth but the optical density of the culture was...

07 February 2018 4,211 2 View

Psychometric methods of testing the factor structure of a scale?

I want to examine the factor structure of two scales respectively (scale A: 14 items; scale B: 26 items). We are trying several methods: CFA followed by EFA; Rasch analysis and IRT respectively....

24 August 2017 2,254 8 View

Is this the fragment of a sauropod tooth?

Dear colleagues. Fragments of this species are very rare from a terrestrial Lower Cretaceous locality from Germany. Up to now from this locality sauropods could not be proved with certainty. Other...

14 February 2021 2,310 1 View

Which are the factors that determine in a tourist the destination for their travel?

I'm working on a study of how selection criteria of Tourism have changed considering Pandemic + Vaccination expectation, so propose a new prediction behavioral dynamic model for Riviera Maya (Mexico).

09 February 2021 314 7 View

Does someone know which structure could exit the olfactory bulbs at their antero-dorsal top ?

Hi people, I am studying bat brains through endocranial casts and I cannot identify which structure could be present in sort of a canal located dorsally to the cribriform plate. It is like...

27 January 2021 797 6 View

Which is the most recent and updated classification of Class: Insecta?

Based on the many publications from several decades, we came across many classifications of Insects. Among them which one is more updated and approved classification that can be used for research,...

05 January 2021 3,668 9 View

How can we say a species of insects got extinct?

02 January 2021 4,232 10 View

What are the environmental variables that influence the Northeastern gray whale population?

I am currently working on my M.Sc. thesis studying how climate change affects the presence of the gray whale in one of its main breeding areas in Mexico. We have considered temperature,...

16 November 2020 8,944 3 View

If an observed d falls beyond the upper limit in equivalence testing, what does that mean?

I have been taking your Coursera Classes and reading some of your articles on equivalence testing, and I do not know how to interpret and effect and its corresponding CI, but I do not how to...

12 October 2020 9,046 5 View

How to plot an Isopleths connect points or contours figure on diet data of animal?

I want to prepare like following example figure for Indian fox diet data. But I don't how to prepare it. I have % relative frequency and % volume data. Does anybody help me how to prepare it? The...

21 August 2020 6,215 4 View

Could anyone provide me any useful website or bibliography to learn about the principles of taxonomy in Biology and Paleontology?

I am an undergraduate and I would like to broaden my knowledge on this subject, beginning by its principles. Maybe it would help that purpose to broaden my knowledge on Phylogenetics as well....

08 June 2020 1,343 2 View

Which railway magazines in South-/Central America and Mexico to publish - who has a recommendation?

Which Railway magazines are relvenat in Middle and South America? We want to publish a technical article about vibration reduction measures carried out in Mexico. Who has a recommendation or give...

18 May 2020 3,487 4 View