diane, deny kiss. >> that was abc's serena marshall.what i developed for my science fair when i was a kid? it was a miniature light bulb that lit up when you attached to a battery. >> did it work. >> yeah, kind of like a flashlight which already existed at the time. but i thought it was innovative. >> i invented an iphone last year. >> yeah? got some stock you want to share with me. >> that's the news for this half hour. >>> this morning on "world news now," political party time. >> a massive crowd of sanders supporters swarm an iconic new york city park as donald trump takes aim at the head of his own party, saying he should be ashamed of himself. details ahead. >>> this one's a little too close for comfort. russian jets fly repeatedly over an american unable ship in the most aggressive act since the cold war. what was really behind the show of force. >>> then hunters searching for the lochness monster make a thrilling discovery. it's 30 feet long and was found at the bottom of the lake. but it wasn't quite what they were hoping for. >

abc's serena marshall was there. >> reporter: little kids with big brains. >> i want to be a programmere artificial organs for people. >> create face track. >> our electric solar charging station. >> reporter: taking over 1600 pennsylvania avenue in the sixth and final white house science fair. from 100-pound robots cleaning up the new york city subway. to apps helping dyslexic kids with their homework. >> we are color coding each digit with the rainbow pack. >> reporter: the project started under president barack obama in 2010 to recognize the next generation of scientists. more than 130 kids from 30 states including this 15-year-old who created a power source from the ocean. >> slowly or fast? >> kind of hard. >> okay. ah. >> now we can watch those light up as a result of the power exchange. >> reporter: to sisters kimberly and rebecca and their spacecraft. >> they actually thought it will be around 20 -- >> it just kept on going. >> yeah. it went to 78,000 feet. >> reporter: wands made from a 3d printer to blow bubbles. even getting some advice from 9-year-old jacob. >> i have a ques

diane, deny kiss. >> that was abc's serena marshall.what i developed for my science fair when i was a kid? it was a miniature light bulb that lit up when you attached to a battery. >> did it work. >> yeah, kind of like a flashlight which already existed at the time. but i thought it was innovative. >> i invented an iphone last year. >> yeah? got some stock you want to share with me. >> that's the news for this half hour. (lock clicks) (dramatic music) (group) surprise! oh my goodness! happy birthday! oh, you. (laughing) oh! oh! well, they say 70 is the new 60. (laughing) were you really surprised? oh, this was a wonderful surprise. you know, at our age, not all surprises can be this good. you're not kidding. (female #1) remember peggy's surprise last month when frank died? so sudden; all the funeral expenses. they were not prepared. well, i'm not going to burden my family with my final expenses. -huh? -i called about the colonial penn program this morning. i'm alex trebek. if you're age 50 to 85, call about the colonial penn program now

serena marshall, abc news, washington. >>> this morning, one maryland firefighter is dead another wounded allegedly shot by a man they were trying to help. the alleged shooter reportedly thought someone was breaking into his suburban washington home. the man's brother had called 911 when he was unable to reach his diabetic brother. the brother was also wounded. no charges have been filed. >>> we have dramatic video of a apparent suicide attempt. a chattanooga police officer noticed her sitting on the side of the bridge. she then stands up, faces the river and apparently says i'm done. that's when he runs over, grabs an the back of her shirt and pants and pulls her from the railing back to safety. >>> johnny depp's wife has avoided jail time in australia after entering a guilty plea this court. they were met outside court in sydney by a tlochk photographers. amber heard pleaded guilty to providing a false immigration document. this is all in connectioning with allegedly smuggling the couple's dogs into australia. she was sentenced to what amounts to one month's probation. >> golden stay wa

problem with the science fair is it makes me feel a little inadequate. [ laughter ] >> reporter: serena marshall, abc news, washington. >> very cool. well, the president said he's going to follow through on that >>> police are specking to the mother of two toddlers killed after they were left alone in an apartment that went up in flames. >>> we are five days away from the new york primary and the stage is set for tonight's democratic presidential debate in brooklyn. >>> and mixed martial arts is getting uncaged. what governor question apollo is set to do today with the combat sport. >>> good morning i'm lori stokes. >> and you are never more than 7 minutes away from weather and traffic. here's meteorologist bill evans. >> reporter: 45 degrees around the five boroughs. clear to partly cloudy skies, cooler across long island 37 eastern end there, 42 from river head to montauk and 34 toward monticello. >>> a freeze warning until 8:00 this morning in western and northwestern new jersey. western ocean county for temperatures at freezing and below. but it will warm up fast today. sunshine this afterno

abc's serena marshall was there. >> reporter: they're little kids >> i want to be a programmer. program robots makes artificial organs for people. >> spacecraft. >> our electric solar charging station. >> reporter: taking over 1600 pennsylvania avenue in the sixth and final white house science fair. from 100 pound robots cleaning up the new york city subway to apps helping dyslexic kids with their homework. >> we are color coding each digit with the rainbow pattern. >> reporter: the project started under president barack obama in 2010. to recognize the next generation of scientists. more than 130 kids from 30 states including this 15-year-old who created a power source from the ocean. >> slowly or fast? >> kind of hard. >> okay. >> so now we can watch those lights light up as a result of the power exchanges. >> to sisters kimberly and rebecca and their spacecraft. 20,000, 30,000 feet. it went to 78,000 feet. >> reporter: wands made from a 3-d printer to blow bubbles. >> there you go. >> reporter: even getting some advice from 9-year-old jacob. >> i have a question to ask you. >>

abc's serena marshall has the details. >> reporter: it's an important week ahead for the white house's supreme court nominee merrick garland. his nomination hrms stalled in. the senate. but this week, he is continuing with meetings on capital little and adding more republican senators to the list. beginning his day later this morning, sitting down with senate judiciary chairman chuck grassley for breakfast, grassley saying earlier this week the sky won't fall with one last justice. but taking a meeting with garland to explain why the senate won't take up his nomination. white house press secretary josh grassley is proof threw are making progress but still have a long way to go. >> he certainly has the capacity to answer these questions. he's prepared to do it on camera under oath. he's prepared to take whatever questions democrats and republicans on the senate judiciary committee may have to put forward. he can handle it. i guess the question is, why can't the people asking the questions handle it. >> reporter: at the end of the week, garland will have met with 14 different senators. s

abc's serena marshall has more on what's at stake. >> reporter: this is a case that will decide two important issues. the fate of more than 4 million people living in the shadows in the united states and whether a act alone when congress does not act. as president barack obama's executive action on immigration comes before the supreme court later this morning. at risk, whether the president can direct the department of homeland security to only go after criminals and recent arrivals. instead of as they say tearing families apart. offering kids who arrived prior to 2014 an undocumented parents of american citizens the right to stay in the u.s. without fear of deportation. obama took executive action after the house and senate decided not to pass immigration reform. texas led the way filing suit to stop the action and was joined by 25 other states. the administration remains confident even with an eight-justice court they will win this case based on whether the states even have the right to sue the federal government. justices roberts and kennedy the most likely to tip the balance. the justices