Η Διεθνής Διαφάνεια-Ελλάς λειτουργεί την Υπηρεσία «Διαφάνεια Τώρα!» που σκοπό έχει να καταγράψει υποθέσεις διαφθοράς και να προσφέρει δωρεάν ενημέρωση …
Gravity beta is a gravity simulator. Create many objects and watch as they interact with each other. Try and make orbits and binary systems. This game …
Fully updated with the latest advances in meteorology as well as an additional section on climate change, this comprehensive reference addresses all a …
The major art pieces, most important artists, and significant artistic movements from 35,000 BCE to today are collected together in this easy-to-read …
Why do golf balls have dimples? What makes people snore? How does a fax work? The answers to these and 1,250 other commonly asked, but hard to explain …