and if that seems fascinating, then abc's stephanie sy has somebody you need to meet. >> reporter: a amals have incredibly inventive ways to kill. and stephen beck is on a mission to find them. >> basically i've been on a quest for the last years to find the 60 animals that really sum up what it means to be a predator. this is my mission to find the deadly 60. >> reporter: his list including everything from sharks to skunks. chameleons and killer bees. >> there is nowhere where there aren't deadly animals. >> reporter: the world is a dangerous place. >> it is. next up, the middle of nowhere. >> reporter: traveling to the far corners of the earth. steve is looking for face time with lethal animals. he dives right in. this sea lion is enormous. more than ten feet long and 1,000 pounds. steve is quickly surrounded. ow! that hurt! >> reporter: their teeth are like daggers. and steve knows when he's outnumbered. >> they're starting to bite now. getting a little bit too bold. >> reporter: while observing the sea lions, a pod of killer whales emerges. all of a sudden -- >> oh! >> reporter:

abc's stephanie sy has details. >> reporter: under president obama's health care plan, signed into lawar, private insurers will be required to provide women with a whole range of preventive services without charging a co-payment, co-insurance or deductible. >> half of women, according to studies, forego or delay preventive care because they can't afford it. >> reporter: starting august 1, 2012, tens of millions of insured women are expected to gain free coverage to services such as well woman visits, screening for gestational diabetes, breastfeeding support, domestic violence screening, and all fda-approved birth control methods including the highly controversial morning-after pill. >> since birth control is the most common drug prescribed to women ages 18 to 44, insurance plans should cover it. not doing it would be like not covering flu shots. >> reporter: some conservative groups argue the pill is not preventativeve. >> for the majority of pro-life americans who arare not in favo of that, this shouldn't be something that's mandated into insurances. >> reporter: organizations advocat

. >> abc's stephanie sy has the story. >> reporter: super moms of the world, relax.s to unrealistically high standards may be costing you more than you think. a study presented to the american sociological association finds working mothers have lower rates of depression than their stay-at-home counterparts. that's the good news. but trying to have it all could put some professional women at greater risk for depression. the author surveyed 1,600 american women age 40 and married. they found working women with a super mom view that jobs could be juggled with home lives fairly easily showed higher levels of depressive symptoms than working moms who expected to sacrifice some elements of career and parenting to balance out the burden. so, it's okay if super mom can't make time for the supermarket. i'm stephanie sy. >> share your secrets, tanya, as a mom who works incredibly -- >> i have no idea how anybody does it. >> there you are. >> oh, that's really funny. it looks a lot like -- i don't know. i don't know how i feel about that picture. fresh direct, that's where i ge

has a bigger problem. sharks. dozens of people have been attacked in recent years. and stephanie syorts now about how science has helped the city deal with aer if reshus neighbor. >> reporter: shark attacks have become a predictable part of summer from the u.s. coast, where there have been at least a dozen attacks this year to sydney harbor. smack dab in australia's largest city. this attack is caught on camera. fortunately, diver paul lived to tell about it. >> the shark just started shaking me. as soon as my right hand came out of the water, i noticed that it was gone. >> reporter: three attacks in three weeks spread fear in the city. >> they're calling it the shark play. a sudden surge of attacks and sightings across or coastline. >> it's a great white! >> reporter: the two other victims are surfers. >> authorities say people shouldn't panini >> reporter: sydney's waterways are prime hunting grounds for the world's three deadliest shark species. great whites, tiger and bull sharks. since a ban of commercial fishing, the number of fish in the harbor has increased and all that prey