![Ship in Arctic waters](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/Ship_in_Arctic_waters.jpg?itok=vAnbppZZ)
Reaching the Arctic
STEM Explained
How will arctic ice melt from climate change affect exploration, scientific research and geopolitics?
![various marine microorganisms as they appear under a microscope](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/marine_microorganisms.jpg?itok=MgdaDkhz)
Marine Microbiology: Meet the Microbes of the Sea!
STEM Explained
The ocean is full of very small but very useful creatures called microbes. Without them, none of the sea plants or animals you’ve seen would exist!
![Jellyfish Jellyfish](/sites/default/files/styles/resource_card_image_360x300_/public/photo-1449439330640-8b0f943e031b.jpg?itok=7g-jctsR)
Invertebrates: Marine
Picture Collections
8 images of some invertebrate animals such as sea anemones, coral and jellyfish that live in a marine environment
![How can I write secret messages?](/sites/default/files/2019-08/how-can-i-write-secret-messages.jpg)
How can I write secret messages?
Hands-on Activities
Learn how you can write and reveal secret messages in this hands-on chemistry activity.
![How does rain become acidic?](/sites/default/files/2019-08/how-does-rain-become-acidic.jpg)
How does rain become acidic?
Hands-on Activities
Learn how to make a pH indicator and test water samples.
![Clown Fish Clown Fish](/sites/default/files/styles/resource_card_image_360x300_/public/Clown_fish_in_the_Andaman_Coral_Reef.jpg?itok=nkTzBh1T)
Fish: Saltwater
Picture Collections
14 images of some fish such as lion fish, grouper and sharks that live in saltwater environments like oceans, saltwater lakes and aquariums
![Massive algal bloom](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/massive-algal-bloom.jpg?itok=pqgXB2yc)
Eutrophication: Why you should care about pond scum
STEM Explained
When fertilizers from agriculture get into lakes and rivers, big problems can result for aquatic ecosystems, food chains & webs!
![Will Booth | General Manager, Regional Hose & Hydraulics Will Booth | General Manager, Regional Hose & Hydraulics](/sites/default/files/styles/career_image/public/6750_13.jpg?itok=EzIFUjeF)
Will Booth
Career Profiles
General Manager
![Shane Monaghan | Product Line Manager Shane Monaghan | Responsable de ligne de produits](/sites/default/files/styles/career_image/public/6749_13.jpg?itok=SM6SQwMH)
Shane Monaghan
Career Profiles
Product Line Manager
![TREVOR ROOTE | MECHANICAL MAINTAINER TREVOR ROOTE | MECHANICAL MAINTAINER](/sites/default/files/styles/career_image/public/trevor_2.jpg?itok=PFx7W6EY)
Trevor Roote (Video)
Career Profiles
Mechanical Maintainer
![Murray Clayton | Forensic Anthropologist Murray Clayton | Forensic Anthropologist](/sites/default/files/styles/career_image/public/6501_13.jpg?itok=k5oCIgLJ)
Murray Clayton
Career Profiles
Forensic Anthropologist & Outreach Coordinator
![Andrew Newman | Mechanical Tree Harvester Andrew Newman | Mechanical Tree Harvester](/sites/default/files/styles/career_image/public/6215_13.jpg?itok=oLEDX3iw)
Andrew Newman (Video)
Career Profiles
Mechanical Tree Harvester
![Kona Williams | Forensic Pathologist Kona Williams | Pathologiste judiciaire](/sites/default/files/styles/career_image/public/6047_13.jpg?itok=ysNCQ19n)
Kona Williams
Career Profiles
Forensic Pathologist
![Katharine Scotton | Environmental Consultant, PGL Environmental Consultants Katharine Scotton | Experte-conseil en environnement, PGL Environmental Consultants](/sites/default/files/styles/career_image/public/6027_13.jpg?itok=QOKoX2Pf)
Katharine Scotton
Career Profiles
Environmental Consultant
![Meredith Ann Epp | Communications and Marketing Manager, Marine Stewardship Council Oceania Meredith Ann Epp | Gestionnaire des communications et du marketing](/sites/default/files/styles/career_image/public/5880_13.jpg?itok=Xrl3oIql)
Meredith Ann Epp
Career Profiles
Communications and Marketing Manager