Chemistry Curious T-Shirts

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

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

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

Hair Crop Circle

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

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!"

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

Free Radicals.

'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."

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

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

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

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

"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?"

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

A man and a woman click together.

'Money doesn't have wings, feet or wings. My dad says that nevertheless, it disappears with the speed of light.'

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