askscience

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Desiccated spruce branches will curl up or down depending on weather conditions, and have been used as artisanal weather predictors in Eastern North America. What particular properties does the structure of spruce branches have which makes them behave in the way they do?	1999
In what way does the regulation of cell differentiation in a Hydatidiform mole differ from normal tissue and embryo growth?	1563
In view of recent reports of thylacines possibly being caught on tape in Southern Victoria, what kind of follow up would normally be carried out to authenticate such potential sightings.	728
How small can a gas planet be?	386
Whether grapes, Cacti or geraniums, cloning plants through cuttings has widely contributed to spreading desirable plants through time. What are the longest such cloned lineages and what can they teach us?	375
How can one discriminate between an underground explosion caused by a very large amount of conventional explosives, a fizzle, a fission device and a fusion device from seismic data? Pyongyang claimed yesterday to have detonated a fusion device; based on the data, how convincing is their claim?	243
How much better equipped would we be today at rehabilitating the Red Zone at the eastern French border than in the 1920s?	228
Food pairings, how do they work? Why do some foostuffs have comlementary flavors which call out for one another, while others don't? Is it purely cultural or is there a physiological underpinning to this?	176
There has been a lot of talk lately about the collapse of the Monarch population; has a parallel collapse of its Müllerian mimic, the Viceroy, also been observed?	157
How do traditional filament lightbulbs fail?	156

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