Initial calculations suggest that the previously unsuspected dark energy actually accounts for two-thirds of the substance of the universe.

ECONOMIST: Cosmology

One of the predictions of their revised Standard Theory was the existence of two previously unsuspected quarks the bottom and the top.

ECONOMIST: What��s the matter?

The Liverpool Tate gallery has mounted an exhibition devoted to the form, drawing hitherto unsuspected connections between it and the work of artists like David Hockney and Andy Warhol (about whom Mr. Bowie wrote a song).

WSJ: Keeping It Glam | 'Glam! 21st Century Factory' at Tate Liverpool

That is an extraordinary finding, and it prompts the question of whether previously unsuspected battery materials might be lurking at the heavier end of the periodic table.

ECONOMIST: Einstein and car batteries

On April 15, Illinois Congressman Jesse Jackson Jr. took to the House floor to denounce a heretofore unsuspected enemy of American progress: the iPad.

FORBES: Jesse Jackson Jr. Vs. Apple's iPad

It is on the trail of around 40 previously unsuspected genes (or, rather, versions of genes) that are implicated in illnesses of varying seriousness, from allergies to Alzheimer's disease.

ECONOMIST: Human genetics

Likewise, many Americans have jumped on the extra virgin olive oil bandwagon for its oft-documented health benefits, but much of what is being sold in this country likely lacks those benefits due to the destructive and hardly extra-virgin way it is processed, and to make matters worse, it can actually contain unsuspected additives and give consumers the exact opposite of the healthy experience they are seeking.

FORBES: Fake Fish On Your Plate - The Kobe Beef Of The Seas?

During his first eight months in office, the supposedly grey and rigid Mr Jospin has shown an unsuspected flair for political manoeuvre.

ECONOMIST: Lionel Jospin, escape artist

The drive on cost reduction, along with Mr Ellison's previously unsuspected appetite for detail and process, astounded everybody at Oracle, not least Mr Lane.

ECONOMIST: Oracle