One of the largest recorded icebergs could pose a threat to cruise ships traveling from South America.

Abstracts: Environmental Killings, Space Exploration, and More

• An iceberg the size of Delaware — one of the largest ever recorded — broke off the Antarctic continent this week. Scientists had been anticipating that the trillion-ton iceberg would break away for months, and they now worry about the hazards it poses for nearby ships. (Reuters)

One of the largest recorded icebergs could pose a threat to cruise ships traveling from South America. Visual: James Petts/Flickr

• A film clip has been successfully stored in bacterial DNA using the genome editing tool Crispr. The scientific advance ushers in new possibilities for other record-keeping techniques using bacteria, such as recording and “replaying” how human cells behave when a person becomes ill. (New York Times)

• A record number of environmental activists were killed worldwide in 2016, primarily due to disputes over mining, logging, and agribusiness projects, according to a report released by Global Witness. Sixty percent of the killings occurred in Latin America, and almost 40 percent of the victims hailed from indigenous communities. (BBC)

• The Yemeni government has dropped a request for cholera vaccines to slow the spread of the disease, which has claimed more 1,742 lives in the war-torn country since April 27. A representative from the World Health Organization said the decision was made because most of Yemen has already been affected by the disease, reducing the effectiveness of vaccination. (Science)

• A new gene therapy for leukemia has garnered support from an FDA panel of experts, an important milestone for the experimental treatment. The cancer therapy now awaits approval from the FDA itself, which is expected to make a final decision on October 3. (STAT)

• An all-female high school robotics team from Afghanistan has been granted permission to compete in an American competition by President Trump, after having been twice denied requests for U.S. visas. (Associated Press)

• The Juno spacecraft captured its first closeup images of Jupiter’s Great Red Spot. Mission Juno invites the public to download and tweak the images for free. (Science News)

• And finally, hoping to become the first private company to land a spacecraft on the moon, the Florida startup Moon Express released a plan on Wednesday for a regular delivery service to send payloads to the moon. The plan is part of the company’s efforts to make space exploration less expensive. (NBC News)