Sustainability Jokester T-Shirts

Biker Tyre Inc: Made 100% from recycled condoms.

"Hi there! - I'm the world's first eco-friendly comedian... All My Jokes Are Recycled...!"

"Do you think the birds like me?"

"Are you sure this is a 'Flu virus?" "See for yourself...it's nose is running!"

'One placebo or two, doctor?'

Physics Improv. "I now vill be taking suggestions from ze audience..."

'Don't you hate it when they look BACK at you?'

At first, Moses was worried about the manna from heaven.

"I modified the symbol for accuracy."

'But it may be easier to understand the meaning of bioengineered life.'

"Information is moved via neurotransmitters from neuron to neuron via the synapses into the brain where it is then retrieved by the memory via a slap on the back of the head."

Person made from 100% recycled materials.

'Lately, I've been thinking a lot about evolution. My theory is that it all points to 'survival of the fattest'.'

Bird feeder being used by vultures.

"Alarmingly, after five minutes the pool had come no closer."

'Reallly Miss Jones...all this fuss over a silly little spider!'

'What are you talking about? ? how can you have half a quantum theory?'

"Ah - The 'Big Gang' theory."

International Conference on Genetically Modified Crop Development.

Cambridge Dons Researching Gravity.

"It's so warm that I'm laying hard boiled eggs."

"Enough helium makes laughing gas."

Paper Bath Towels.

Grok's Black Hole Theory

"Hey Maurice! Take the menu, replace 'dish of the day' with 'local free range speciality' and double the price!"

"I keep thinking I'm a noble gas."

Vegetarian restaurant: 'Two vegetarians please.'

"I'm working on my pet theory."

'He's not here.He's out on a sting operation.'

'Why are you watching TV with the lights off?'

"Here. We promised you a big lab."

'I was only saying to the wife last night professor, this Higgs Boson particle business - what do you make of it?'

'My student had the hiccups...'

'Another advantage is everyone will have better tans.'