Sentences with phrase «n't know for sure»

When we combine general relativity with quantum theory, we find moderately strong evidence that wormholes can not exist after all — but we just don't know for sure yet.

The latter seems more likely, but we don't know for sure.

But the clockmakers won't know for sure until they complete a second equally precise device to compare it against.

But we won't know for sure until it is too late to prepare properly.

«We don't know for sure if their synthesis is shared: maybe the microorganism produces the aromatic compounds and the ants store them in their glands.

What we don't know for sure is what effects these compounds might have on our health.

«We didn't know for sure whether dark matter and galaxies were two separable things.»

Although the authors don't know for sure whether shark numbers have gone up, they speculate that the population could have been boosted by fishing discards before all fishing in the area was banned in 2006.

Researchers won't know for sure until they've analyzed older dogs from multiple places.

We don't know for sure if we'd go that far, but they're certainly in the running.

Releasing scientific results in this way is notoriously risky, and unsurprisingly there is now some backpedalling going on: Cheddar Man may indeed have been dark - skinned, but we don't know for sure (see «Ancient «dark - skinned» Briton Cheddar Man find may not be true»).

We don't know for sure; Faso tells us there was no secret vote, only «just in order of committee placement,» which would have put him near the end of the line.

I just don't know for sure what it's going to be,» Collins said.

Partly because we don't know for sure whether this is simply recycling George Osborne's commitment made in 2015 to spend # 8bn more by 2020, in which case, large chunks will not be new money.

After all, the markets won't know for sure until the morning of the 8th of May 2015 what the outcome will be - and perhaps for even longer if a coalition is the outcome.

@dan04, don't know for sure.

«I don't know for sure, but I've heard several senators say that Ted Kennedy with a brain tumour, being 77 years old as opposed to being 37 years old, if he were in England, would not be treated for his disease, because end of life - when you get to be 77, your life is considered less valuable under those systems,» he said.

We don't know for sure.

I also didn't know for sure until I went to Wikipedia ``..

We can't know for sure.

We don't know for sure when the SNP's new deputy leader will be chosen - arrangements will be decided in «due course», the party says.

We don't know for sure, yet, but what we do know is that Israel hit the campaign trail with style and it's been hard to ignore.

My money's on the latter, particularly as they get their hands on Blackberries, but we won't know for sure for some time.

«There's strong evidence that that's the case, of course we don't know for sure,» Horner said.

But if he doesn't know for sure whether that money is being spent in the right places — then potentially he is that Prime Minister who didn't deliver the necessary tools.

Ok, I read the whole post, and I honestly don't know for sure whether I could find other better studies or not on which you spoke.

Of course, we can't know for sure.

But researchers don't know for sure — because there is no data on oxytocin levels in women who wean naturally.

The biggest challenge with colic is that we don't know for sure what causes it — which leaves a LOT of room for debate about how to treat it.

I don't know for sure, but it's pretty likely I was given drugs to stop the bleeding.

Washing cloth diapers can be tricky too and you (usually) don't know for sure how a used diaper has been washed and treated.

Piercing could damage milk ducts but you won't know for sure until you start breastfeeding.

If we find that the answer to the question is different in the sensitivity analysis, we assume the true answer is closer to the sensitivity analysis than the full analysis — remember, we don't know for sure these studies had bias, only that they were at risk.

You won't know for sure how bedding was cared for, and there are a lot of messes with babies and toddlers that happen in the bed.

You wouldn't know for sure.

I don't know for sure if that was the cause, but it was in the same location.

If you buy a used mattress or accept a hand - me - down, you won't know for sure how it was cared for or stored.

Since you don't know for sure how much baby gets at each feeding, it's helpful to have different amounts of breastmik frozen in bags.

I knew for sure that I wouldn't let my baby cry, and I knew I wanted him to sleep with me, and nurse when he needed to, but I didn't know for sure that he would sleep longer stretches eventually, and one day sleep through the night without help.

As far as the nutrients present in breastmilk — I wouldn't see why induced lactation would produce milk that is any different from lactating after a pregnancy, but I don't know for sure.

We suspect, based on stories of green poop, screaming, and needing special formula, that both my husband and I were MSPI babies too, but we don't know for sure.

But we don't know for sure yet.

You don't know for sure if a used seat has ever been involved in an accident before, and those that have are no longer safe.

I just don't know for sure!!

He explained to me that while we don't know for sure if getting tattooed while breastfeeding is harmful to mom or baby, there are risks.

Doctors don't know for sure what causes bedwetting or why it stops.

TERESA PITMAN: Well, we don't know for sure.

We don't know for sure.

Though you can't know for sure what will work best for you until you try it and sometimes one pump may not be a good choice for you while another one could be ideal, there are steps you can take to get you closer to the perfect pump.

I don't know for sure but I'll find out later this week when I make it back to the store for the goos stuff.