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Welcome to The Visible Embryo, a comprehensive educational resource on human development from conception to birth.

The Visible Embryo provides visual references for changes in fetal development throughout pregnancy and can be navigated via fetal development or maternal changes.

The National Institutes of Child Health and Human Development awarded Phase I and Phase II Small Business Innovative Research Grants to develop The Visible Embryo. Initally designed to evaluate the internet as a teaching tool for first year medical students, The Visible Embryo is linked to over 600 educational institutions and is viewed by more than ' million visitors each month.


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Pregnancy Timeline by SemestersFemale Reproductive SystemFertilizationThe Appearance of SomitesFirst TrimesterSecond TrimesterThird TrimesterFetal liver is producing blood cellsHead may position into pelvisBrain convolutions beginFull TermWhite fat begins to be madeWhite fat begins to be madeHead may position into pelvisImmune system beginningImmune system beginningPeriod of rapid brain growthBrain convolutions beginLungs begin to produce surfactantSensory brain waves begin to activateSensory brain waves begin to activateInner Ear Bones HardenBone marrow starts making blood cellsBone marrow starts making blood cellsBrown fat surrounds lymphatic systemFetal sexual organs visibleFinger and toe prints appearFinger and toe prints appearHeartbeat can be detectedHeartbeat can be detectedBasic Brain Structure in PlaceThe Appearance of SomitesFirst Detectable Brain WavesA Four Chambered HeartBeginning Cerebral HemispheresEnd of Embryonic PeriodEnd of Embryonic PeriodFirst Thin Layer of Skin AppearsThird TrimesterDevelopmental Timeline
Click weeks 0 - 40 and follow fetal growth
Search artcles published since 2007

June 21, 2012--------News Archive Return to: News Alerts


Only 1 out of 3 people use sunscreen regularly, according to a 2012
study in the ACS journal Environmental Science & Technology.


WHO Child Growth Charts

       

Repelling the Rays

American Chemical Society video on how to use sunscreens

Just in time for the first day of summer, the American Chemical Society's (ACS') award-winning Bytesize Science video series is offering a new episode on the chemistry of the sunscreen products that millions of people will slather on their skin during the warm months ahead.

The video explains that sun exposure can lead not only to sunburn and skin cancer, but premature aging that leaves the skin crinkled and wrinkled with unsightly "age spots."

Fortunately, using sunscreen properly can help protect the skin all summer long. Unfortunately, only 1 out of 3 people use sunscreen regularly, according to a 2012 study in the ACS journal Environmental Science & Technology, as pointed out in the video.

It explains what happens to the sun's harmful UV rays after people apply sunscreen, and offers pointers on shopping for sunscreen products.

Look for a three-letter acronym: SPF, or sun protection factor. This number tells how much protection from UV-B rays you get from the sunscreen. An SPF 15 sunscreen delays the onset of a sunburn 15 times longer than no sunscreen at all.

For more entertaining, informative science videos and podcasts from the ACS Office of Public Affairs, view Prized Science,Spellbound, Science Elements and Global Challenges/Chemistry Solutions.

The American Chemical Society is a nonprofit organization chartered by the U.S. Congress. With more than 164,000 members, ACS is the world's largest scientific society and a global leader in providing access to chemistry-related research through its multiple databases, peer-reviewed journals and scientific conferences. Its main offices are in Washington, D.C., and Columbus, Ohio.

To automatically receive news releases from the American Chemical Society, contact newsroom@acs.org.

Original article: http://www.eurekalert.org/pub_releases/2012-06/acs-rtr061812.php