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To make sure your baby's first week is safe and healthy, it is important that: You find a pediatrician you are comfortable with for your baby's ongoing care. Your baby is checked for jaundice in the hospital. If you are breastfeeding, you get the help you need to make sure it is going well. Make sure your baby is seen by a doctor or nurse at 3 to 5 days of age. If your baby is discharged before age 72 hours, your baby should be seen by a doctor or nurse within 2 days of discharge from the hospital.
Among the unsolved mysteries confronting 21st century physics from gravitational waves to dark energy, neutrinos -the "ghosts of the cosmos"- are near the top of the list. These awesomely low-mass subatomic particles , less than a millionth of the mass of electrons, play a key role in weak interactions and come three flavors: electron, muon, and tau. Stars actively flood the universe with new neutrinos along with ancient particles created some two seconds after the Big Bang. CERN announced this week that a muon-type neutrino dispatched from the CERN research laboratory near Geneva had arrived as a tau neutrino at the INFN Gran Sasso Laboratory in Italy, 730 kilometres (450 miles) away. It is only the third time that the mutation has been observed by the OPERA experiment , an international project launched in 2001 specifically to detect the bizarre change.