More than 8, 000 new variants of Trojans are found each month, according to internet security specialists Sophos.
In 1997 Khosla's lab engineered bacteria to make new variants of erythromycin.
The number of scareware product variants was about 142 in 2004, there have been 110 new variants tracked in just the first two months of 2010.
Companies such as Plaxo, which help to synchronise address books, and Google itself, which has a primitive address book in its web-mail service, plan to turn these books into fully fledged social graphs that can do useful and productive things, perhaps including new variants of mini-feeds.
But it also mutated on social media into humorous new variants such as "Romneyshambles" - used to describe gaffes by US presidential candidate Mitt Romney during his visit to the UK - and omnivoreshambles, referring to the row about a planned badger cull in England and Wales.
Silei stopped short of saying Ducati made it specifically to target American buyers, but he said it belongs to a group of new variants designed to be more conducive to the American mindset (oriented toward recreation and long-distance cruising rather than toward the more European uses of transport and sport).
In one of the largest-ever studies of genetics and autism, researchers have identified 24 new gene variants associated with autism spectrum disorders (ASD).
Right now, a flood of new genetic variants that predict disease are emerging, thanks to devices that compare thousands of common genetic differences between people.
Porsche is introducing its first plug-in hybrid and two new extended wheelbase variants with the second generation of the Panamera.
ENGADGET: Porsche Panamera S E-Hybrid plug-in model brings 416 guilt-free horsepower
New families and variants of malware keep cropping up each quarter, and this trend shows no sign of slowing down.
The company is building four different variants of new armoured fighting vehicle which will replace the ageing SVRT vehicle and provide troops, it is said, with more protection and firepower.
BBC: General Dynamics: British Army deal secures Oakdale jobs
In the process, variants of the new genes evolve and the engineers can screen the new organisms for the genomes that are most useful to them.
Preorder bonuses range from an assortment of new costumes for Batman, ranging from comic book to animated variants of his suit, and also the ability to unlock Robin as a playable character.
The new Asha handset is a 2G only affair, with single- and dual-SIM variants -- the latter having an EasySwap port for access to the second SIM without removing the battery.
ENGADGET: Hands-on with the Asha 205 and Nokia's Slam quick-sharing feature (video)
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