15 incredibly valuable free websites that will help you become more productive, knowledgeable, and develop new skills

1. WolframAlpha

It is a computational knowledge and answer engine that provides factual queries directly by computing the answer from externally sourced data.

It computes problems in areas such as:

- Math
- Science & Technology
- Society & Culture
- Every day Life
2. Omni Calculator

This website is a free database of 2,190 calculators.

It has calculators in subjects such as:

- Biology
- Statistics
- Finance
- Sports
3. BudgetSheet

BudgetSheet is a Google Sheets extension that automatically imports all your bank transactions into any Google Sheet so you can budget any way you want.

No more manual exports or copying & pasting from CSV files.
4. 12ft Ladder

If you want to get remove paywalls blocking your access to a website or article, this website is for you.

It will let you bypass (almost) any paywall. Just enter the link on the website and click “Remove Paywall” to get started.
5. 10 minute Mail

This is a site that allows you to provide an e-mail address to send validation e-mail to, without giving your personal e-mail address.

The free instant email address destructs itself after ten minutes.
6. Class Central

Class Central is a search engine for finding free online courses.
7. Open Library

Open Library is an online library with millions of books to browse or check out.

You can track the books that you're reading, want to read, etc. and read many of them right there.
8. Instructables

This is a massive repository of guides for making everything from mood lamps to robots to chandeliers.

If you want to make it, someone will show you how.

If you've been looking to get into DIY culture, Instructables is a great place to start.
9. Just Watch

This site is useful if you want to find where you can stream your favorite movies and TV shows.
10. Muscle Wiki

This website helps you to pick any muscle and find workouts.
11. Eat This Much

Eat This Much lets you put your diet on autopilot by creating personalized meal plans based on your food preferences, budget, and schedule.
12. Print Friendly

Ever wanted to print some web pages from a website but ends up getting junk versions of pages loaded with advertisements in the print preview menu?

Well, this amazing website will solve this issue with ease.
13.Justtherecipe

Just the Recipe eliminates the clutter from any recipe website and displays only the ingredients and instructions.

It converts messy recipe blogs into simple, beautiful recipe cards.
14. https://t.co/hCzZbwcUmN

It will remove the background of your photos, perfect for when you need a new profile picture or product shot.

Select any image to automatically remove the background online and make it transparent for free in just a few seconds with a single click.
15. https://t.co/Vi5y0E9WvZ

The site is truly effective for finding that word you are always looking for.

All you need to do is to enter some words and criteria for the site to guess the word that you are looking for.
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1. Mini Thread on Conflicts of Interest involving the authors of the Nature Toilet Paper:
https://t.co/VUYbsKGncx
Kristian G. Andersen
Andrew Rambaut
Ian Lipkin
Edward C. Holmes
Robert F. Garry

2. Thanks to @newboxer007 for forwarding the link to the research by an Australian in Taiwan (not on

3. K.Andersen didn't mention "competing interests"
Only Garry listed Zalgen Labs, which we will look at later.
In acknowledgements, Michael Farzan, Wellcome Trust, NIH, ERC & ARC are mentioned.
Author affiliations listed as usual.
Note the 328 Citations!
https://t.co/nmOeohM89Q


4. Kristian Andersen (1)
Andersen worked with USAMRIID & Fort Detrick scientists on research, with Robert Garry, Jens Kuhn & Sina Bavari among


5. Kristian Andersen (2)
Works at Scripps Research Institute, which WAS in serious financial trouble, haemorrhaging 20 million $ a year.
But just when the first virus cases were emerging, they received great news.
They issued a press release dated November 27, 2019:

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