Chemistry Curious T-Shirts

'Some PCB' - 'Little PCB' - 'No PCB'.

'Mighty strange weather tonight, followed by downright weird tomorrow....'

Hair Crop Circle

"You have to believe what you're doing will lead to something valuable, even though it probably won't."

'If, as you say, they're so evolved, why do they need to wear clothes to survive?'

Scientist admires his structure of a dog

Sexual chemistry set

Weatherman: "Tonight's weather forecast is confusing, followed tomorrow by downright bewildering."

"When it comes to fixing his own computer, I call it his PDDIY project. That stands for please DON'T do it yourself."

'According to the diagnostic computer, your problems are due to El Nino.'

Today's lesson, the rainforest.

"...and if you add wind-chill factor, the next plague will be even worse!"

Free Radicals.

"But but ... if we remove all the additives there'll be nothing left!"

'What'll I do with the nuclear wastes?'

"Essentially Wilkins proves things and Brenner disproves them."

Molecules You Ought to be Aware Of.

'I'm inventing an acid that eats through anything.'

"Some genetic engineers we turned out to be!"

'Just for kicks, let's come up with something that has a good side effect.'

'It's amazing what they can do with amino acids these days.'

"I'm never ready for sweater weather."

I'm not insulting you --- You are a fatty acid!

"Maybe we should have tried it on the rats first."

'This is the one - we want you to pray for this one.'

"For the hundredth time—I have no idea how to make crystal meth."

"Yes, the migration flight home is always faster, but it's thanks to the prevailing winds, not just because we're keen to get home..."

"Did no one tell you that at this time of year everybody flies south?"

"Dad, can you tell me what a solar eclipse is?"

Confusion in A Jar.

'...then add some of the yellow powder to those blue crystals, heat it for a while, and see how you like it.'

Laboratory- risk assessor

Just north of the rainforest: the mostly-sunny-with-a-30%-chance-of-rainforest

A man and a woman click together.

'Ya know, I'm startin' to think this whole global warming thing might not be a bunch of hogwash after all.'