Puzzles

cZeus

The weekly Felix exclusive cZeus type of puzzles

Mild cZeus

Czeus Easy
Czeus Easy
Czeus Easy

Medium cZeus

Czeus Med
Czeus Med
Czeus Med

Hot cZeus

Czeus Hard
Czeus Hard
Czeus Hard

Last week's solutions

Mild

Czeus Easy Answer
Czeus Easy Answer
Czeus Easy Answer

Medium

Czeus Medium Answer
Czeus Medium Answer
Czeus Medium Answer

Hard

Czeus Hard Answer
Czeus Hard Answer
Czeus Hard Answer

From Issue 1755

Discover stories from this section and more in the list of contents

Explore the edition

Read more

International Day of Women and Girls in Science 2026

Issue 1891

International Day of Women and Girls in Science 2026

In 2015, the United Nations General Assembly established the International Day of Women and Girls in Science. Held annually on February 11th and implemented by UNESCO and UN-Women, this initiative promotes full and equal participation and recognition of women and girls in Science, Technology, Engineering and Maths.  About the event

By Cristina Carrillo