. >> reporter: for example, if you have a dry cough, look for a medication with dex trow mer for fan, make your cough more productive. if you have a fever, acetaminophen or ibuprofen. . the doctor says most common colds will go away on their own. if you're experiencing fever, shortness of breath, chest pain or if your cold goes away and then comes right back, you should probably see your doctor. but, don't rush to get an antibiotic. >> if it's a viral infection, then the antibiotic is not going to do anything. and any time you put something in your body, you have the potential of having side effects. >> if it's not too bad, i'll drink orange juice. >> reporter: there's not much evidence supporting national remedies, he says there is some value to taking vitamin c. >> it may help to ward off some viral infections, but once the infection has setin, it probably doesn't have a role in making things any better. >> i act like a big baby basically and drink a lot of liquids. >> reporter: liquids are key when you have a cold, especially those with salt. >> it helps to mobilize the fluid in yo

they want to roll out the r2, the world's most dex trows robot capable of working along side humans. they are still working at creating a machine that works at the same speed as humans leading to safer plants. nasa says it will help humans work and explore from space. for information on all of the stories, log on to the technology page of abc2news.com. those are your tech bytes. i'm vinita nair.

u might wan to try t g some g trow as wells th grocer stores which i'm sure are empty too briauebler, ab ns, in rforcoty. . >> weant to sw you som allyreal coovide that weave comingp . it isctually -- doe have th time lap wre tking out? eatideohat w camrom rld news tonight mighcapture how we'll feelingight now it i te lapse of e snow mply burnghe world around . lo at that. that'sow we aelt day. owed in, andavedn. incredible. ok at itust gupndp. i'veeen getting a lot o e-mails from our viewers out i carrl couy a in northn baltimor couy as you up to theennsvaniline that n sonrealistic. drif reportedhr t six et. in extreme northernaryland they bbed with heavynow. in baltimo a our northern surblace silarnot too farrom you hometown. a of avyw outhere get t d outomorrow. >> lot of in out our current ction out at i, dre winds stillowli out there. rttt 21 mil aour. so deangith a tremendous amount oinght now let'take younto the storm ow y tt the good ns is is. ile iill power h stm iisovin furer and furthe out t sea a sw mover t get out o her part of the reason w h accumulations exceeding anyon

we play see flurries in the morning and 11:00 and 12:00, it will move into the motor trow area.he snow beginnings and temperatures fall and the winds increase and the snow rate increases, in fact there will be delivered conditions and delaware under delivered warnings now. and how much snow is going to fall? we have been sticking with these numbers, generalized, and 16 to 24 inches across the area and lesser amounts the mountains. here's the key. the more the storm cranks up and deepens, the more likely it'll throw sleet in the mix and how much sleet gets in determines how much snow you'll get watching this down leer. a lot of liter sleet, you won't get 16 to 24. and a little you'll be close and same story -- same story widespread across the area. and 167 to 24 is the best chance. and the possible chances are not for less they're for moorn that, indeed a very big possibility of another historic snowstorm and these are the numbers, do you remember the storm in december? that was the seventh largest, this one is going to be very close to it, if not a little higher. here's the seve