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I am searching for good quality pictures of the following "primeval forest relict beetles" of Europe (in German: Urwaldrelikte): Ampedus auripes (Elateridae) Ceruchus chrysomelinus...

10 November 2018 6,692 7 View

Can anyone identify this dragonfly from Eastern China?

The picture was taken close to Hangzhou (Eastern China).

05 June 2018 4,445 11 View

Can anyone provide samples of Nitella/Tolypella (Characeae) for phylogenetic analyses?

We are working on phylogeny of the European Characeae (green algea). We are still missing the following taxa: Nitella capillarisNitella flexilisTolypella intricata Can anyone provide the samples...

04 May 2017 2,038 0 View

Can anyone identify this skeleton part (marine/oceanic fish mouth)?

Probably marine fish mouth skeleton. Found on the Con Dao island (Vietnam).

03 April 2017 9,059 3 View

Can anyone identify these insects / Coleoptera from Costa Rica (Tapanti NP)?

The three Coleoptera species have been observed and photographed in April 2016 in Tapanti National Park (Costa Rica) - in mountainous forest with Oreomunnea and Alfaroa species (both Juglandaceae)...

09 October 2016 3,207 18 View

Can anyone identify these Crustacea/Decapoda from Iriomote Island (Southern Ryukyu, Japan)?

The crabs were observed and pictures were taken on oceanic shore and in mangroves of the Iriomote Island (Southern Ryukyu, Japan).

07 August 2015 316 7 View

Who knows this organism/phenomenon?

Found in Switzerland, close to a river on humid soil in December 2014. Fungal or algal organism?

31 December 2014 4,836 5 View

Why do some barks peel? What are the advantages of exfoliating for a tree?

01 January 1970 294 19 View

Is the dispersal unit of the relict tree genus Zelkova unusual/unique (twig fragment with dried leaves and fruits)?

01 January 1970 4,083 5 View

How can the use of Jolly Phonics improves the quality of reading, speaking and writing in rural disadvantaged communities in Papua New Guinea?

Jolly Phonics reading program is an effective way to teach early reading to young learners. How can lectures at the university prepare early childhood student teachers to teach Jolly Phonics to...

03 March 2021 3,731 3 View

Can cells be reused after using WST 8/ CCK 8 from Sigma Aldrich?

Hi all, Can cells be reused after I have seed them onto 96 well plates and test them with cell counting kit at OD450 (CCK8) at 12 hours, wash them with PBS x3 and add new media and let them...

24 February 2021 5,072 1 View

What is this fern?

Please help me to identify this fern species. Thank you in advance.

24 February 2021 2,435 5 View

Any references about insects or animals that can damage or weathering of rock or fossil material?

Are there any references to insects or animals that can cause damage or weathering to the rock or fossil material? books or paper that would be nice. Thank you very much!

24 February 2021 6,805 3 View

How to use Remote sensing and GIS applications for mapping the available medicinal plants within the locality/municipality?

Hello, I'm very interested in mapping and managing the conservation of the Philippine traditional medicinal plants, in which I think is very helpful in the field of medicine for further analysis...

21 February 2021 374 5 View

Can medicinal plants really play an inherent rule in the COVID-19 tackle?

Numerous scientific reports cited plant extracts with potential antiviral activity and even anti-COVID-19? Why these findings are neglected? I remember very well the warning released by the WHO to...

17 February 2021 2,141 9 View

Is there any solar electric power plant having the concentrated photovoltaic modules?

The solar photovoltaic (PV) power plant uses commercial (non-concentrated) PV modules which are quite simple in design and reliable. They can work on fixed orientation and don't need the moving...

16 February 2021 3,796 9 View

Is it possible estimating environmental conditions with a Bayesian approach?

In ecology specific species can be used to get an indication/estimation of the environmental conditions. A simplistic example, lets assume I find a pike (Esox lucius). We know this species does...

01 February 2021 10,034 4 View

How is it that Ad26.COV2.S Covid-19 Vaccine is Bearing Better Results?

A candidate vaccine spurs both younger and older people to make antibodies against the coronavirus SARS-CoV-2, according to early trial results. The vaccine, which is under development by Johnson...

14 January 2021 8,184 6 View

Why does Reaction Wood acts opposite in gymnosperm and angiosperms?

I am wondering why the Gymnosperms have an opposite behaviour that Angiosperms in the Reaction Wood (RW). Are there some new findings regarding that? Studies say that causal agents can be the...

10 January 2021 8,744 4 View