What are the upcoming instructibles contests?

I don't remember there being a list of upcoming contests there, but I get an email every so often (monthly maybe) called Authors Update or something like that, which lists the upcoming contests. The last one from August had the following contests listed:

Contest calendar

Scanpan Family Recipes Challenge
Share a recipe, tell us why it's a family favorite, and win a Scanpan cookware set! Enter by August 22nd

Green Living and Technology Challenge
Help keep the planet green and win a $500 gift certificate to Amazon or Home Depot! Enter by September 5th

Pets Challenge
Show us anything you do for your pet, and win a dSLR to record their antics! Enter by September 5th

Can It! Challenge
We want your secrets to perfect preserves and canning techniques. Winners will receive an awesome canning set-up! Enter by September 12th

Polyform Play with Clay Challenge
Show us your unique clay creations for a chance to win a $250 Sculpey prize pack! Enter by September 19th

Epson Camera and Photo Skills Challenge
Show us your best camera-themed Instructables, and win a photo printer from Epson! Enter by September 19th

Clocks Contest
Create an awesome clock-themed project to win an iPad 2! Enter by September 26th

Coleman Summer Camping Challenge
Create camping-related Instructables to win a $1500 ultimate camping set-up from Coleman. Enter by September 5th

Epilog Challenge IV
Create an awesome Instructable in the Tech category and be entered to win an Epilog laser cutter! Starts August 15th

Play With Your Food
Show us how you have fun with food for your chance to win a pack of fun food prizes! Starts August 22nd

Ikea Share Your Space Challenge
Share your space with us and IKEA could share a $1,000 gift card with you! Starts August 29th

Win a ShopBot
Enter a new Instructable into the Workshop category and be entered to win a ShopBot. Starts August 29th

Win a Makerbot
Enter a new Instructable into the Play category and be entered to win! Starts in September

Gorilla Glue 2nd Annual Make it Stick Contest
Enter a project that uses glue (Gorilla or otherwise) in order to win an iPad 2! Starts in September

Survival Skills Challenge
Share a survival skills project to win an awesome prize.
Starts in September
Halloween
It's almost that time of year again! Get ready... Starts in September

Here's the latest contest calendar:

Contest calendar
Play With Clay Challenge
Show us your unique clay creations for a chance to win a $250 Sculpey prize pack! Enter by September 19th

Epson Camera and Photo Skills Challenge
Show us your best camera-themed Instructables, and win a photo printer from Epson! Enter by September 19th

Clocks Challenge
Create an awesome clock-themed project to win an iPad 2! Enter by September 26th

Play with your Food Challenge
Show us how you have fun with food for your chance to win a pack of fun food prizes Enter by September 12th

Ikea Share Your Space Challenge
Show us your unique clay creations for a chance to win a $250 Sculpey prize pack! Enter by October 9th

Survival Skills Challenge
Show us your best camera-themed Instructables, and win a photo printer from Epson! Enter by October 17th

Make It Stick Contest 2
Create an awesome clock-themed project to win an iPad 2! Enter by October 17th

Epilog Challenge IV
Create an awesome Instructable in the Tech category and be entered to win an Epilog laser cutter! Enter by November 14th

Halloween Challenge
It's almost that time of year again! Get ready... Starts September 26th
Make it Glow Challenge

Light up the night with your LEDs, EL wire, and light bulbs for a chance to win a Macbook Air. Starts October 3rd

Hack It! Challenge
Show us your hacks for a chance to win an oscilloscope, logic analyzer and bench supply! Starts September 19th

Pocket Sized Challenge
Make something pocket-sized for your chance to win a Pentax Q mini camera. Starts September 19th

Mad Science Fair
Turn your mad science schemes into reality and enter to win an awesome jellyfish tank! Starts October 3rd

Have fun!