Skip to Navigation
about Plus
support Plus
Plus sponsors
subscribe to Plus
terms of use
Search this site:
Puzzles
Puzzle page
Try your hand at some tricky trig!
Read more...
Puzzle page: The Möbius Challenge
Set your beloved heart a-flutter with this mathematical valentine
Read more...
Puzzle page
Count up your booty of jewels and potions!
Read more...
Puzzle page
The 3 3 8 8 puzzle
Read more...
Puzzle page
A greek soldier, and a persion soldier walk into a battle...
Read more...
Puzzle page
Similar triangles and colouring the plane
Read more...
« first
‹ previous
…
5
6
7
8
9
10
11
12
13
next ›
last »
Home
Articles
News
Packages
Podcasts
Puzzles
Reviews
Science fiction, science fact: reports from the frontiers of physics
What is time? What is space? Are there parallel universes? Join Plus and FQXi on a journey exploring these...
view
Why you shouldn't use a toss for overtime
In soccer a coin toss is used to decide who goes first in a penalty shootout and similarly in American...
view
What Planck saw
Cosmologists gathered in the Netherlands last week to discuss a new view of the Universe. The Universe as...
view
Support Plus
Make a difference to mathematics
view
Researching the unknown
Science is much stranger than fiction. It suggests that our Universe may just be one of infinitely many which...
view
Login to comment or download PDFs
Username:
*
Password:
*
Create new account
Request new password
