The SciencesJune 12, 2009
Puzzling Adventures: The Fair Way to Get a College Scholarship: Let's Make a Deal
How should teachers rank their students' performance?
Stories by Dennis E. Shasha
The SciencesJune 12, 2009
Puzzling Adventures: The Fair Way to Get a College Scholarship: Let's Make a Deal Solution
How should teachers rank their students' performance?
The SciencesMay 13, 2009
Puzzling Adventures: Sudokill Answer #2
A computer science professor encourages his students to break Sudoku's rules
The SciencesMay 13, 2009
Puzzling Adventures: Sudokill Answer #1
A computer science professor encourages his students to break Sudoku's rules
The SciencesMay 13, 2009
Puzzling Adventures: Sudokill Warm-up Solution
A computer science professor encourages his students to break Sudoku's rules
The SciencesMay 13, 2009
Puzzling Adventures: You've heard of Sudoku. But what about Sudokill?
A computer science professor encourages his students to break Sudoku's rules
The SciencesMarch 11, 2009
Puzzling Adventures: Snow Walkers--How to Clear Streets of Snow More Effectively [Solution to Problem 1]
A fictional city grapples with the white stuff
The SciencesMarch 11, 2009
Puzzling Adventures: Snow Walkers--How to Clear Streets of Snow More Effectively
A fictional city grapples with the white stuff
The SciencesMarch 11, 2009
Puzzling Adventures: Snow Walkers--How to Clear Streets of Snow More Effectively [Warm Up Solution]
A fictional city grapples with the white stuff
The SciencesMarch 11, 2009
Puzzling Adventures: Snow Walkers--How to Clear Streets of Snow More Effectively [Solution to Problem 2]
A fictional city grapples with the white stuff
The SciencesMarch 11, 2009
Puzzling Adventures: Snow Walkers--How to Clear Streets of Snow More Effectively [Solution to Problem 3]
A fictional city grapples with the white stuff
The SciencesFebruary 5, 2009
Puzzling Adventures: Versatility for Another Planet: Making a Better Mars Rover--Solution for Problem Number 2
Spare parts mean more weight, more expense and less science. What if the redundancy worked differently?
The SciencesFebruary 5, 2009
Puzzling Adventures: Versatility for Another Planet: Making a Better Mars Rover--Solution to Problem Number 4
Spare parts mean more weight, more expense and less science. What if the redundancy worked differently?
The SciencesFebruary 5, 2009
Puzzling Adventures: Versatility for Another Planet: Making a Better Mars Rover--Solution to Problem Numbrer 1
Spare parts mean more weight, more expense and less science. What if the redundancy worked differently?
The SciencesFebruary 5, 2009
Puzzling Adventures: Versatility for Another Planet: Making a Better Mars Rover--Solution to Problem Number 3
Spare parts mean more weight, more expense and less science. What if the redundancy worked differently?
The SciencesFebruary 5, 2009
Puzzling Adventures: Versatility for Another Planet: Making a Better Mars Rover--Warm-Up Solution
Spare parts mean more weight, more expense and less science. What if the redundancy worked differently?
The SciencesFebruary 5, 2009
Puzzling Adventures: Versatility for Another Planet: Making a Better Mars Rover
Spare parts mean more weight, more expense and less science. What if the redundancy worked differently?
The SciencesJanuary 26, 2009
Puzzling Adventures: What Happens When Sea Levels Rise?
Solution to Problem #1
The SciencesJanuary 26, 2009
Puzzling Adventues: What Happens When Sea Levels Rise
Warm-Up Solution
The SciencesJanuary 26, 2009
Puzzling Adventures: What Happens When Sea Levels Rise? Wet Walls on Whit Island
Can you save a fictitious island's residents from being swept out to sea?
The SciencesJanuary 26, 2009
Puzzling Adventures: What Happens When Sea Levels Rise: Wet Walls on Whit Island
Solution to Problem #2
The SciencesDecember 9, 2008
Puzzling Adventures: Alien Genetics Problem #1 Solution
The SciencesDecember 9, 2008
Puzzling Adventures: Alien Genetics
What if, on another planet, it took five parents to produce a brood?
The SciencesDecember 9, 2008
Puzzling Adventures: Alien Genetics Problem #3 Solution