Must reads before Monday

PHOTO: A girl puts her head on her knees in an undated stock photo.PlaySTOCK/Getty Images
WATCH Man charged with the kidnapping and murder of a 13-year-old student

One parent's decision to shame his daughter on social media drew mixed responses, Florida is struggling with major toxic algae blooms, the only operating spaceport in the world is crumbling, and eight children affected by Trump's "zero-tolerance" border policy are still waiting to be reunited with their families.

Don’t miss out on some of ABC News' best reporting from this week.

'What are you trying to prove?': Parenting experts weigh in on dad's bullying punishment

PHOTO: A girl puts her head on her knees in an undated stock photo. STOCK/Getty Images
A girl puts her head on her knees in an undated stock photo.

A viral video posted by a father that forced his daughter to walk 5 miles to school in near-freezing temperatures has prompted questions about the use of social media as a way to humiliate and discipline children. Some experts say that shame is not an "effective way to change behavior."

'When is this going to stop?': Florida activist highlights devastating impact of algae blooms on wildlife

PHOTO: Fish are seen washed ashore the Sanibel causeway after dying in a red tide on Aug. 1, 2018 in Sanibel, Fla. Joe Raedle/Getty Images, FILE
Fish are seen washed ashore the Sanibel causeway after dying in a red tide on Aug. 1, 2018 in Sanibel, Fla.

Harmful algae blooms in Florida have been killing off fish, eels and dolphins. Scientists say that these blooms could be exacerbated by a warming and increasingly acidic ocean. Critics say that Gov. Rick Scott's loosening of environmental regulations are part of why algae blooms have been so bad.

Russia's crumbling Baikonur spaceport is Earth's only launch pad for manned flights

PHOTO: Russias spaceport in Baikonur, Kazakhstan, Dec. 2018. Patrick Reevell/ABC News
Russia's spaceport in Baikonur, Kazakhstan, Dec. 2018.

This week, a Soyuz rocket carrying three astronauts took off for the International Space Station. It launched from Baikonur, located in Khazakstan, which is currently the only place in the world for these types of space flights. The spaceport reflects Russia's complicated legacy of space flight.

Devastated town mourns kidnapped, murdered teen as one of the 'brightest lights'

PHOTO: This Sunday, Nov. 4, 2018, photo provided by FBI shows Hania Noelia Aguilar, the day before she went missing in Lumberton, N.C. FBI via AP
This Sunday, Nov. 4, 2018, photo provided by FBI shows Hania Noelia Aguilar, the day before she went missing in Lumberton, N.C.

A town is in mourning for 13-year-old Hania Noelia Aguilar, who was kidnapped and murdered in Lumberton, North Carolina. Friends and family spoke at her funeral service on Saturday, which was held at her high school gymnasium. A suspect, Michael Ray McLellan, 34, has been arrested and charged with her murder.

8 kids left: The lingering aftermath of Trump's 'zero-tolerance' policy at the border

PHOTO: Central American asylum seekers wait as U.S. Border Patrol agents take them into custody on June 12, 2018 near McAllen, Texas. John Moore/Getty Images
Central American asylum seekers wait as U.S. Border Patrol agents take them into custody on June 12, 2018 near McAllen, Texas.

After former Attorney General Jeff Sessions' April decision to prosecute adults crossing America's southern border illegally, more than 2,600 children were separated from their families. President Trump eventually issued an executive order that put a stop to that practice. Now, eight children who are eligible to be reunited with their families are still waiting to see them.