Lepidoptera wing scale damage from human-handling

An experiment: We used a roadkill specimen found during our field research here in Panama to show the level of damage a light finger touch to a butterfly wing can cause thus affecting survivability by reduced flight capabilities. We lightly touched this small section of upperwing with a finger and here you can see the…

Can we identify e-coli in water?

I am trying to identify presence/absence of e-coli in a nearby pond. Is this possible to do with foldscope? I have the basic 140x-magnification version. Over here is a video of the aquatic sample I took. although there’s a bunch of stuff “moving” around, all the movement is caused by my efforts to focus the…

What is this critter in the neighborhood urban creek?

Hello Foldscopers! It is cold outside where I am, but if it is a nice sunny day, I like to go for a walk and explore the creeks in my neighborhood. I love creeks. There is something about following the movement of water that calms me down. But if you live in an urban area…

Recrystallization And A Question

Hello Everyone, This time I’ve tried making a time lapse of NaCl getting recrystallized. I have used dark field here to make the crystals look more prominent. Here are the steps I followed: 1. Prepare a saturated solution of NaCl I.e adding NaCl to water till it stops dissolving. 2. Put a drop of this…

Butterfly scales through the lens of a Foldscope

I was really excited to receive a new Foldscope kit recently, and after corresponding with Manu online, we agreed that butterfly scales represent a nice project that others can easily get involved with! Here are some previous posts on the subject: https://microcosmos.foldscope.com/?p=10080, & https://microcosmos.foldscope.com/?p=16562 Here’s magnification of a butterfly eyespot and through the lens of a #Foldscope below,…

Pediculus humanus capitis

Pediculus humanus capitis A human head louse captured with a foldscope: The headlouse was cooled before preparation and stayed alive because tape was a used as a spacer.

Interesting creature in the neighborhood stream

Sampled moss from a neighborhood stream in Dublin, CA, and found this interesting fellow. No idea what it could be but it looks like it holds to something with its back while it opens its mouth wide and eats (at least that is my interpretation of what is going on). Any idea on what creature…

Some pond creatures, large and small

I collected some water from an artificial pond in the campus. Despite finding itself in the middle of an urban area, in springtime you can hear frogs calling all around. Now it’s winter and the pond is silent, full of rotting leaves fallen from the trees surrounding it. I went there looking for a pond…

Oak wood

This sample is a cross section through wood from a type of oak (Quercus pubescens). The video first shows  “late wood”, which is formed towards the end of the tree’s yearly growth phase, then you can see the growth ring boundary, which is followed by an area with large holes. These large holes are pores…

Life in a drop o water; secret handshakes

I love the secret handshakes every organism in this video has for one another. They all react when interacting to other organisms – but quiet differently. In the past we have discussed on toxins presented on the surface; but I had not appreciated the diversity of “reactions” a single felled organism would have when seeing…

Friends of Kayany – Foldscope in Syrian refugee camps

Young women at Kayany Foundation's United Nations Women for Peace School in Bar Elias, Lebanon were excited to receive their new Foldscopes last week. We are thrilled and honored to work with “Friends of Kayany” to bring tools of curiosity for educating Syria's most vulnerable kids. If you would like, you can donate directly to…

Watching swimming bacteria in our spit

After a lovely Christmas dinner, my 6-year old nephew (H) and I settle down with a foldscope. And off course we decide to look at spit; in search of bacteria. This is video with the regular basic foldscope without light module. We use just the hanging light in the room as our light source. Enjoy!!…

Symsagittifera roscoffensis

I have the chance to live by the sea in the north west of France, in Brittany. Here, it’s quite easy to sample Symsagittifera roscoffensis directly on the beach during the low tide. They basically look like this under the foldscope : These free-living acoelomorph worms, formerly called Convoluta roscoffensis, have a characteristical green color…

Tutorial: Surface imaging using Foldscope – ice formation

I want to start the year with new year spirit. Ice crystals. It’s -26C here; yes – you read it right. Most people are enjoying the fact that it’s colder in Montreal than Antarctica. Something we should be worried about; but that’s for another day. Basic foldscope can be used for surface imaging on translucent…

Carbon dioxide sinks

  Yesterday,  whilst I was strolling in my city , I found some spiderwort species growing vigorously nearby and instantly This is what I saw:  epidermal cells and beautiful stomata amongst them. To my surprise, some (four?) subsidiary cells sorround the two guard cells that  make an stomata, a fact I did not know before…

Exploring the sea…at the dining table

Hi there Foldscopers, Hello from Japan! Manu asked me to explore planktons while I’m in Japan visiting family, and I even made my own plankton net a few weekends ago (more on this another day). But I’m finding that the ocean is not as accessible as I had imagined. Why? It’s because the coastline is…

வெண்டைகாய் பூ மகரந்தம்

நான் கோவிலுக்காக எங்க கிராமத்திற்கு போனேன். எங்கள் கிராமம் மதுரை காமராஜர் பல்கலைகழகத்தை அடுத்து உள்ளது. நாங்கள் சென்ற வழியில் வெண்டைகாய் காய்த்திருந்தது. அதில் ஒரு பூவை பறித்து மடிப்ப நுண்ணோக்கியில் பார்க்கலாம் என்று எடுத்துவந்து வீட்டில் பதிவு செய்தேன். இது என்னுடைய பதிவு. நான் மடிப்பு நுண்ணோக்கியில் பார்த்த தெளிவான பதிவு நகல் படத்தில் இல்லை. 

Mites that spin silk; a tutorial for using micro-well slides

Here is a quick example of how to use micro-well glass slides in your kits to trap and keep alive organisms. Spider mites hiding on my #croton plant. They are really small; smaller than a dot in a sentence. Count the legs – and you know they are arachnids. But I did not know that…