I look at you, you look at me I raise my right, you raise your left. What am I?
As easy as you can get into me, it is as hard to get out of me.
Do you know what I am?
I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?
Its something that each of us devours,
Not just us but birds, beats, trees, and flowers,
Frets iron and nibbles steel,
Toil hard stones to meal,
Exterminates king, collapse town,
And blows the mountains down.
We can be boring,Or interesting.
We can be long,Or short.
We can have pictures,Or just words.
Many love us,But many also hate us.
What are we?
I have branches, but no fruit, trunk or leaves. What am I?
What question can you never answer yes to?
Eight of us go fourth, not back, to protect our king from an attack. What are we?
There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.
What is it?
Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?
In 2011, people playing Foldit, an online puzzle game about protein folding, resolved the structure of an enzyme that causes an Aids-like disease in monkeys. Researchers had been working on the problem for 13 years. The gamers solved it in three weeks.