Is there any knowledge about beaver ejaculation? How many sperm cells are conveyed and how many of them will survive in female and how many will actually reach the egg? Are the eggs in both tubes since beaver has usually 3 kits?
I am going to Gran Canaria and planning to collect some invertebrates. Do I need permission for that and what should I do for getting the permission? I will collect for natural history museum of...
31 December 2016 6,743 16 View
Can you please identify this spiny lobster?
31 December 2016 10,072 9 View
This far those are identified as: 1. & 2. Ancistrus sp. 3. & 4. Corydoras aeneus 5. Ambastaia sidthimunki 6. ? 7. Barbus conchonius 8. Ancistrus sp
09 October 2016 4,249 8 View
I am searching for good database or reference to use for finding bird synonyms. This far eol.org is been a bit helpful but maybe there is better source for that?
06 July 2016 3,773 8 View
Please help me identify those fish. My oppinion 1-3 Taurulus bubalis 4-5 Cyclopterus lumpus
05 June 2016 1,927 7 View
That species of Mollusca was found from lake Viljandi (https://www.google.ee/maps/@58.3483153,25.6106634,14z?hl=en). This summer. The measurements of shell are shell height 4,5mm shell width...
11 December 2014 726 13 View
Mesodinium with apical spine.
10 November 2013 5,168 6 View
I am interested in breeding three-spined stickelback in aquarium. I want it to last at least a year. Does anybody have experience? Is it possible on room temperature, what they eat, how to find...
01 January 1970 8,721 5 View
After immunohistochemistry of previously fixed in PFA and EtOH and then frozen 20 μm sections of zebrafish brain, DAPI staining is very weak (right) compared to the same sections stained without...
05 August 2024 9,637 2 View
Brain and body mass together are positively correlated with lifespan (Hofman 1993). The duration of neural development is one of the best predictors of brain size, and conception is the best...
05 August 2024 6,247 3 View
I created a file with my outgroup and ingroup species using Beauti, ran it in BEAST, viewed it in Tracer, and then used TreeAnnotator to create a file that I imported into RASP. Could someone...
28 July 2024 2,979 1 View
PeptiCloud (www.pepticloud.com) is a bioinformatic platform that allows researchers to organize and share their data for their projects as well as collaborate with others in one place. Through...
28 July 2024 4,762 2 View
Do you know of any online international conferences that offer free discussions? I am looking for examples in the field of molecular ecology and DIY biology.
28 July 2024 6,501 0 View
Hello, We found three packages of Illustra™ MicroSpin™ G-25 columns in the cabinet of an unused lab. They are very old but have never been opened. I have never used this kit before, and I couldn't...
25 July 2024 4,927 3 View
I am cloning an overexpression plasmid with my protein of interest tagged with mScarlet. After transforming my ligated product into DH5α bacteria and plating on LB agar, I noticed colonies with a...
22 July 2024 5,953 6 View
I understand a glycerol stock for long-term preservation would be ideal, but how are working cultures generally stored? Mainly concerning Candida spp. isolates. A few references mention that they...
22 July 2024 6,592 3 View
I am planning to use CD4 Cre mice crossed with Loxp mice. However, the laboratory from which I am trying to get the loxp sperm says they have "the product of the EMMA ko crossed with the FLPe to...
16 July 2024 7,475 1 View
In saw this creature during a cable laying operation at 20km off the coast of Timor Leste on the timor sea at a depth of 1200 m.
14 July 2024 4,715 1 View