Palm grass (Molineria capitulata)

Congkok or palm grass (Molineria capitulata) is a species of plant in the Hypoxidaceae, herbaceous annual, hairy or glabrous, thick rhizomes, growing on moist and shady slopes in primary and secondary forests at elevations up to 2000 meters.

M. capitulata has radical and elongated leaves up to 1.5 meters long, stalks up to 1 meter long, lined to nearly elliptical, elliptical blades, 30-150 cm long and 5-15 cm wide.

Inflorescence in racemus, 2.5-7 cm, peduncle 7-30 cm long and finely haired to glabrous when fruiting. Bractea 1-6 cm, brownish, when fruiting hairy to bald. Flowers yellow, hairy and subsessile. The length of the perianthium tube is 1-4 mm and the lobes are 6-8 mm long.

Fruit fleshy, berry and indehiscent or irregularly dehiscent, 10-15 mm long, whitish to green, pulp white, not so sweet. Seeds are few, black and slightly rounded.

Kingdom: Plantae
Phylum: Tracheophyta
Subphylum: Angiospermae
Class: Liliopsida
Order: Asparagales
Family: Hypoxidaceae
Genus: Molineria
Species: Molineria capitulata

Humpback whales (Megaptera novaeangliae) manufacture bubble-nets as tools to increase prey intake

NEWS - Humpback whales ( Megaptera novaeangliae ) create bubble net tools while foraging, consisting of internal tangential rings, and actively control the number of rings, their size, depth and horizontal spacing between the surrounding bubbles. These structural elements of the net increase prey intake sevenfold. Researchers have known that humpback whales create “bubble nets” for hunting, but the new report shows that the animals also manipulate them in a variety of ways to maximize catches. The behavior places humpbacks among the rare animals that make and use their own tools. “Many animals use tools to help them find food, but very few actually make or modify these tools themselves,” said Lars Bejder, director of the Marine Mammal Research Program (MMRP), University of Hawaii at Manoa. “Humpback whales in southeast Alaska create elaborate bubble nets to catch krill. They skillfully blow bubbles in patterns that form a web with internal rings. They actively control details such ...

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