This week on "Sunday Morning" (Aug. 23)

The Emmy Award-winning "CBS News Sunday Morning" is broadcast on CBS Sundays beginning at 9:00 a.m. ET. "Sunday Morning" also streams on the CBS News app beginning at 11:00 a.m. ET. ( Download it here .)

COVER STORY: The explosion of ticks and Alpha-gal syndrome This year, emergency room visits for tick bites have increased dramatically, corresponding with a new threat: a rise in Alpha-gal syndrome (AGS), where one bite from a Lone Star tick can make you violently allergic to red meat. Correspondent David Pogue looks at how residents of Martha Vineyard are addressing an epidemic of Alpha-gal, and talks with experts about how best to avoid tick bites.

ALMANAC: August 23 "Sunday Morning" looks back at historical events on this date.

PHOTOGRAPHY: Capturing an immortal photograph of jazz legends In 1958, photographer Art Kane assembled many of the greatest legends in jazz on a brownstone stoop in Harlem; his picture became one of the most famous images ever taken of artistic royalty. Correspondent Mo Rocca talks about Kane's iconic group portrait with the photographer's son, Jonathan; and about the legacy the musicians left behind with legendary bassist Ron Carter, who played alongside nearly all of the jazz greats pictured that hot August day.

DESIGN: Luna Parc: A home and an eclectic canvas For more than 35 years, artist Ricky Boscarino has turned his house in Sandyston, N.J., and its 8.5 acres into an eye-popping gallery filled with sculptures, ceramics, mosaics and whimsy. Correspondent Serena Altschul pays a visit to Boscarino's quirky home, dubbed Luna Parc, and his outdoor "electric garden."

BOOKS: Robin Wall Kimmerer on the wonders of nature Botanist Robin Wall Kimmerer, a member of the Citizen Potawatomi Nation, is author of the New York Times bestsellers "Braiding Sweetgrass" and "The Serviceberry" – books that advocate for living and working in collaboration with the Earth. She talks with correspondent Martha Teichner about the importance of respecting both Western scientific knowledge and indigenous knowledge, planting trees, and sharing the gifts of nature.

PASSAGE: In memoriam "Sunday Morning" remembers some of the notable figures who left us this week.

ARTS: Casa Verdi, a rest home for musicians living in harmony Opera great Giuseppe Verdi, one of history's most successful composers, used his fortune to create a retirement home for professional musicians "not favored by fortune." Residents of Casa Verdi in Milan not only share their lifetimes of artistry, they also provide master classes to young musicians. Chris Livesay reports.

HARTMAN: Inside shooting victim Fletcher Merkel's bedroom Eight-year-old Fletcher Merkel was one of two students killed when a gunman fired randomly into the Annunciation Catholic Church in Minneapolis last August.