A weed. I'm not a weed.

Guess a weed never dies.

So if you think of cancer as a weed, we often can whack the weed away.

Not unless there's weed in them.

50 pounds of weed

Cool pollen, though.

A different pollen signature, if you like, or a different pollen fingerprint.

The Terrills'd dry up like jimson weed.

It's heeeeeeere... the pollen!!!

That's a geranium pollen.

Bee pollen, pollen collected from bees, is considered a health food by some people.

The stigma receives pollen and it is on the stigma that the pollen grain germinates.

Tracking the 'Cedar Pollen Front'

Jandi or Japcho ( lawn or weed ), that girl's expression...

The odour in the room from that horrible weed!

Oh, and the horrible smell of that awful weed.

What can i do to kill that weed, father?

They get paid by pollen and nectar, to move that male sperm, the pollen, from flower to flower.

There's 50 pounds of weed sitting on my loading dock!

The Annual Japanese Agony of Cedar Pollen

But pollen forensics can be very subtle.

Perhaps there's more pollen in the city.

I plant the potatoes, I weed the garden, I domesticate the species.

Like it's been laced with weed, crack, ecstasy, morphine, and the antidote.

I'm thinking of the best way to completely crush that little weed.

I plant the potatoes, I weed the garden, I domesticate the species.

Jonathan Drori Every pollen grain has a story

So they make nectar as well as pollen.

Pollen is produced by the anthers of flowers.

But anyway, take a look at its pollen.

Now, pollen from plants, which are wind dispersed

The fossilized pollen was not of savanna vegetation.

They build up a static electric charge and the pollen jumps on them and helps spread that pollen from bloom to bloom.

Ben Weatherstaff rooted up a weed and threw it aside before he answered.

Problems from weeds, weed control, cost Montana nearly 200 million dollars a year.

You weed down through various steps that cause many of these to fail.

A cedar tree releases clouds of allergy inducing pollen.

And of course, they're made to carry this pollen.

Pollen is a flower's way of making more flowers.

So, that's 20 micrometers across, that pollen grain there.

But not all pollen is quite so simple looking.

Like I said, pollen carries the male sex cells.

First of all, pollen is tiny. Yes we know that.

The pollen has little barbs on it, if we look.

That tells me that it's actually been fossilized, this pollen.